1. Kochhar R, Talwar P, Singh S., Mehta SK. Invasive candidiasis following cimetidine therapy. Am J Gastroenterol 1988; 83: 102-3.

2. Kochhar R, Singh S., Talwar P, Mehta SK. Candidiasis after cimetidine therapy. Gastrointest Endoscopy 1988; 34: 283-4.

3. Singh S., Samantaray JC. Human Intestinal myiasis. J Assoc. Phys India 1988; 39 (12): 741-2.

4. Singh S., Samantaray JC. Blood films in the diagnosis of Malaria. Lancet 1989; II: 1165-66.

5. Singh S., Kochhar R, Singh N, Talwar P, Mehta SK. Endoscope contaminated with Trichosporon beigelli. J Hosp Infection 1989; 14: 49-53.

6. Singh S., Samantaray JC. Tropical anthelminthic treatment of recurrent genitourinary enterobiasis. Genitourinary Medicine 1989; 65: 284-5.

7. Singh S., Singh N, Samantaray JC, Tandon BN. Filarial ascites associated with carcinoma of pancreas. Am J Gastroenterol 1989; 83: 1165.

8. Singh S., Kochhar R, Datta U. Severe duodenal Candidiasis in an IgA deficient patient with associated T cell defects. Indian J Gastroenterol 1990; 9: 95-6.

9. Singh S., Singh N, Samantaray JC, Roy S, Garg SP. Scalp phthiriasis. Rev Infect Dis 1990; 12: 560.

10. Singh S., Samantaray JC, Bhargava DK. Giant hydatid cyst of gastrosplenic ligament simulating massive ascites. J Clin Gastroenterol 1990; 12: 481-2.

11. Singh S., Samantaray JC. So called non-pathogenic intestinal parasites. Am J Gastroenterol 1990; 85:764-5.

12. Singh S., Samantaray JC, Kinra G. Genito urinary Enterobius vermicularis infection: vagina acting as reservoir. Indian J Med Microbiol 1989; 7: 152-4.

13. Singh S., Samantaray JC, Sharma MP. Fatal strongyloidiasis in India. Indian J Gastroenterol 1990; 9: 100.

14. Wali JP, Aggarwal P, Gupta U, Saluja S, Singh S.. Ketoconazole in treatment of visceral Leishmaniasis. Lancet 1990; 336: 810-811.

15. Singh S., Rattan A, Samantaray JC. Spirochetal dysentery. A case report with review of literature. Tropical Gastroenterol 1990; 11(3): 152-7.

16. Singh S.. Laboratory diagnosis of intestinal parasitosis. Indian J Paediatr 1990; 57: 789-92.

17. Singh S., Rattan A, Samantaray JC. Acute spirochetal dysentery in a child with Fallot's tetralogy. Am J Gastroenterol 1991; 86: 655-6.

18. Singh S., Singh N, Kochhar R, Jatava LK, Talwar P, Mehta SK. Candida albicans and human ABO Blood groups. Indian J Med Microbiol 1991; 9(1): 34-39.

19. Singh S. Trematodes in Indian: A review. Trop Gastroenterol 1991; 12:119-131.

20. Singh S., Nautiyal BL. Seroprevalence of Toxoplasmosis in Kumaon region of Uttar Pradesh. Indian J Med Res 1991; 93: 247-49.

21. Singh S. Urine analysis in paediatric practice. Indian J Paediatr 1991;58: 717-23.

22. Singh S. Fungal Diarrhoea. Mycopathologia 1991; 114: 41-42.

23. Fotedar R, Banergee U, Singh S., Shriniwas, Verma AK. House fly (Musca domestica) as a carrier of pathogens in a hospital environment. J Hosp Infect 1992; 20(3): 209-215.

24. Singh S., Singh N, Kochhar R, Talwar P, Mehta SK. Cimetidine therapy and duodenal candidiasis: Role in healing process. Indian J Gastroenterol 1992; 11: 21-2.

25. Singh S. Spiramycine in the treatment of toxoplasmosis is it worth in developing countries like India. J Assoc Physician India 1992; 40: 140.

26. Singh S., Das SC. Paramecium colonising urinary tract of a patient on dialysis: a rare entity. Nephron 1992; 62: 243-44.

27. Singh S., Rattan A, Kumar S. Skin tuberculosis due to Mycobacterium chelonei after an yellow jacket bite. Tuber Lung Dis 1992; 73(5): 305-6.

28. Singh S., Gupta S, Singh YN, Mirdha B, Hak B. Large single candidal liver abscess treated with aspiration and antifungal drugs. Indian J Gastroenterol 1992; 11: 176-77.

29. Singh S., Singh N, Roy S, Garg SP. Family out break of scalp phthiriasis. Indian J Paediatr 1992; 59: 639-42.

30. Singh S., Singh YN. Gastrointestinal tuberculosis in a SLE patient: diagnosis by stool examination. J Assoc. Physician India 1992; 40: 135-6.

31. Wali JP, Aggarwal P, Gupta U, Saluja S, Singh S.. Ketoconazole in the treatment of stibomine and pentamidine resistant kala-azar. J Infect Dis 1992; 166: 215-6.

32. Singh S., Saluja S, Mirdha B. Diagnosis of chronic malaria by bone marrow examination. Indian Practitioner 1992; 45: 815-9.

33. Singh S. Pseudoresistant malaria in tropical countries. Lancet 1992; 340: 1419-20.

34. Singh S., Sharma MP. Strongyloides stercoralis in Northern India. Indian J Med Microbiol 1992;10:197-203.

35. Mirdha B, Singh S.. Persistent Isosporiasis in an apparently normal child. Indian J Paediatr 1993; 60: 197-99.
36. Singh YN, Singh S, Rattan A, Samantaray JC, Wali JP, Malaviya AN. Pneumocystis carinii infection in AIDS patients: First report from India. J Assoc Physic India 1993; 41: 41-42.

37. Rattan A, Gupta SK, Singh S. et al. Mycobacterial antigen detection in serum and uterine biopsies of infertile women. Tuber Lung Dis 1993; 74: 200-03.

38. Singh S., Singh N, Karmarkar MG. Estimation of serum protein and urine specific gravity at district level in developing countries. Tropical Doctor 1993; 23: 171-3.

39. Singh S., Singh N, Samantaray JC, Das GB, Verma IC. Trichuris vulpis infection in an Indian tribal population. J Parasitol 1993; 79: 457-8.

40. Singh S., Raju GV, Samantaray JC. Parasitic gut flora in a North Indian population with Gastrointestinal symptoms. Trop Gastroenterol 1993;14(3): 104-108.

41. Singh S., Singh N, Pandav R, Pandav CS, Karmarkar MG. Toxoplasma gondii infection & its association with Iodine deficiency in a residential school in a tribal area of Maharashtra. Indian J Med Res 1994; 99: 27-31.

42. Singh S. Risk factors for salmonella infection: loss of gastric acidity linked to candidiasis. High risk in developing countries. BMJ 1994;308:596-7.

43. Rattan A, Kishore K, Singh S., Jaber M, Xess I, Kumar R. Evaluation of a safe sputum processing method for detecting tuberculosis. J Clin Pathol 1994; 47: 411-13.

44. Sharma M, Reed SL, Singh S., Talwar GP, Ghosh S. Characterisation of monoclonal antibodies to conserved antigens of Entamoeba histolytica and E. dispar and development of stool ELISA. Hybridoma 1994; 13: 123-130.

45. Singh S., Sachdev MPS. Acanthamoeba keratitis. British Med J 1994; 309: 273.

46. Singh S.. Sex education in Indian schools. Natl Med J India 1994; 7: 194-5.

47. Singh S., Ahlawat S, Singh N, Chaudhary VP. High seroprevalence of TORCH infections in multiply transfused b-thalassemic children in India. Eur J Haematol 1995; 54: 64-66.

48. Singh S.. Acanthamoeba : isolation, identification and maintenance- a review. Indian J Med Microbiol 1995; 12:74-83.

49. Suri M, Kabra M, Singh S., Rattan A, Verma IC. Group B meningococcal meningitis in India. Scand J Infect Dis 1995; 26: 771-3.

50. Singh S., Singh N, Razavi KA. Tuberculosis following immunosuppressive treatment after exposure to toxic smoke. Lancet 1995; 345: 1379-80.

51. Ahlawat S, Singh S., Bhargava M. Tumour necrosis factor-a, a marker of disease activity in acute lymphoblastic leukaemia: a preliminary report. Indian J Haematol Blood Transf 1995; 13: 61-63.

52. Singh S., McGwire BS, Chang KP. Kinetoplast and nuclear DNA polymorphism of visceral Leishmania isolates from North-eastern India. J Protozool Res 1995; 5: 27-32.

53. Singh S., Gilman-Sacks A, Chang KP, Reed SG. Diagnostic and prognostic value of rK39 antigen in Indian Leishmaniasis. J Parasitol 1995; 81: 1000-3.

54. Singh S., Singh N, Handa R. Tumour Necrosis Factor-a in malaria and its correlation with disease prognosis. J Parasit Dis 1995; 19: 127-30.

55. Singh S. Recent advances in the laboratory diagnosis of intestinal parasitosis (editorial). Trop Gastroenterol 1996; 17: 1-5.

56. Singh S., Chaudhary VP, Wali JP. Transfusion-transmitted Kala-azar in India. Transfusion 1996; 36: 848-9.

57. Singh S., Singh S, Sharma M. A single-step immunochromatographic test for the detection of Entamoeba histolytica antigen in stool samples. J Immunol Methods 1996; 196: 193-98.

58. Handa R, Wali JP, Kaushik P, Gupta R, Singh S., Gambhir M, Wig N, Biswas A, Aggarwal P. Toxoplasma encephalitis in AIDS. J Assoc Physic India 1996; 44: 838.

59. Singh S., Singh N, Maniar JK. AIDS associated Toxoplasmosis and its correlation with Tumour Necrosis Factor alpha. J Parasit Dis 1996; 20: 49-52.

60. Handa R, Singh S., Singh N, Wali JP. Fever of unknown origin: a prospective study. Trop Doctor 1996;26: 169-70.

61. Wali, J.P., Singh S. Tuberculosis as an occupational hazard in health care workers. Israel J Occ Hazards, 1996. (suppl) 8-9.

62. Singh S., Singh N. Re-using unsterile needles: HIV reaches in small villages of rural India. Integration 1996; I:17.

63. Singh S. Alkylphosphocholine in visceral Leishmaniasis: in-vitro and in-vivo study. J Parasit Dis 1996;20:185-8.

64. Singh S. Automated microbiology culture system for upgradation of the emergency Microbiology Services. J Acad Hosp Adm 1997; 8: 17-20.

65. Singh S., Singh N, Dwivedi S.N. Evaluation of seven commercially available kits for the sero-diagnosis of Toxoplasmosis. Indian J Med Res 1997; 105: 103-7.

66. Singh S.. Toxoplasmosis. Vaigyanik (Hindi); April-June 1997: 49-51

67. Singh S. AIDS Care in India. AIDS Reader 1997; 7: 101-106.

68. Singh S., Singh N, Handa R. High serum levels of TNF-a in malaria and Kala-azar. J Assoc Physic India 1997; 45: 526-29.

69. Wig N, Handa R, Aggarwal P, Biswas A, Singh S., Wali JP. Kala-azar in AIDS. J Assoc Physic India. 1997; 45: 582.

70. Wali JP, Aggarwal P, Nandy A, Singh S., Addy M, Guha SK, Dwivedi SN, Karmarkar MG, Maji AK. Efficacy of Sodium Antimony gluconate and Ketoconazole in the treatment of Kala-azar: a comparative study. J Commun Dis 1997; 29: 73-83.

71. Singh S. AIDS epidemic in India. Drug Bulletin. 1997; 6 (2): 1-16.

72. Singh S. Toxoplasmosis in India: before and after AIDS epidemic. Ann National Acad Med 1997;33:15-24.

73. Singh S., Somvanshi R. Manav aur labhkari pashuon ka rogjanak: Toxoplasma. Vigyan Garima Sindhu 1997; 22: 95-102.

74. Singh S., Lodha R, Passi GR, Bhan MK. Cholangitis due to congenital Toxoplasma gondii infection in an infant. Indian J Paediatr 1998; 65: 154-57.

75. Singh S., Prasad R, Mohanty A. HIV and Hepatitis -B viral infections in Jailmates of Ghaziabad, North India. Proceedings 12 World AIDS conference, (Geneva), 1998 Monduzzi Editors, Bologna : 159-162.

76. Dwivedi SN, Singh S. On the economy in blood testing: A clinical Appraisal. ISMS Bulletin 1998;13: 19-21.

77. Biswas NR, Sen S, Singh S., Gopal N, Pandey RM, Giri D. Sub-acute toxicity study of a polyherbal drug (Prostina) in rats. Indian J Pharmacol 1998; 30: 239-244.

78. Somvanshi R, Singh S. A case report of Spontaneous Toxoplasmosis in Laboratory Rats. J Vet Parasitol 1998;12: 141-2.

79. Singh S., Singh C. Sentinel surveillance of Chlamydia trachomatis in school going girls and women with secondary infertility in Delhi. J Trop Paediatr 1998; 44: 377-8.

80. Singh S., Shalini, Astha, S Peter, Aggarwal P, Wali JP. Disseminated fatal Nocardia farcinica in Acquired Immunodeficiency Syndrome. J Assoc Physic India. 1998; 46: 1053-6.

81. Handa R, Singh S., Singh N, Wali JP. Brucellosis in North India: results of a prospective study. J Commun Dis 1998, 30: 85-87.

82. Aggarwal P, Handa R, Singh S., Wali JP. Kala-azar- New developments in diagnosis and treatment. Indian J Paediatr 1999; 66: 63-71.

83. Singh S., Guleria R, Kumar S. Multidrug Resistant Fatal Falciparum Malaria in a Pregnant Woman. J Assoc Physic India 1999; 47: 346.

84. Singh S., Prasad R, Mohanty A. High prevalence of Sexually transmitted and blood borne infections amongst the inmates of a District Jail in North India. Int J STD AIDS 1999 ; 10 (7) : 475-78.

85. Singh S., Biswas A, Wig N, Aggarwal P, Sood R, Wali JP. A new Focus of Kala-azar cases in Kumaon region of India. J Commun Dis 1999; 31 (2): 73-77.

86. Singh S. Hookworm disease misdiagnosed as intestinal lymphoma: transfused 38 units of blood. Scand J Infect Dis 1999; 31: 217.

87. Singh S., Singh N, Singh C. Seroprevalence of Chlamydia trachomatis antibodies in school going girls vis-à-vis women with BOH and secondary infertility. Indian J Med Microbiol 1999; 17: 142-5

88. Handa R, Wali JP, Singh S., Aggarwal P. A prospective study of Lyme arthritis in North India. Indian J Med Res 1999; 110: 107-9.

89. Singh S., , Sood R, Wali JP, Dwivedi SN. Hepatitis B, C and Human Immunodeficiency virus infection in multiply injected Kala-azar patients in Delhi. Scand J Infect Dis 2000; 32(1): 3-6.

90. Singh S., Singh R, Dwivedi SN. Blood borne viral infections in kala-azar patients receiving injectable anti-leishmnaial drugs in Bihar. J Lab Med , 2000, 1: 9-16.

91. Singh S., Veena Kumari, Guleria R, Pande JN. Fatal hepatitis E virus infection presenting as haemorrhagic pneumonia in an adult Indian patient. J Lab Med, 2000, 1: 17-18.

92. Singh S., Kumar J, Singh R, Dwivedi SN. Hepatitis B and C viral infections in Kala-azar patients receiving injectable anti-kala-azar treatment. Internat J Infect Dis 2000; 4: 203-8

93. Singh S. Biological Contamination of Drinking water in New Delhi: Isolation of Free living amoebas as a highly sensitive index of water contamination. Water International 2000; 25 (3): 403-9.

94. Tyagi M, Singh S., Singh H. Iodinated natural rubber latex: preparation, characterisation & antibacterial activity assessment. Artif Cells Blood Substit Immobil Biotechnol 2000;28(6):521-33

95. Tyagi M, Singh S., Rattan A, Singh H. Surface modification and antimicrobial evaluation of foley's urinary catheter. Trends in Biomaterials & Artificial Organs 2000; 14: 52-56.

96. Singh S., Singh N, Handa R. Tumour necrosis factor- alpha in patients with malaria. Indian J Malariol 2000; 37: 27-33.

97. Singh S., Mohapatra DP, Siva Kumar R.. Successful replacement of foetal calf serum with human urine for in vitro culture of Leishmania donovani. J Commun Dis. 2000 ;32(4):289-94.

98. Singh S. Typhoid fever: Pathogenesis and Laboratory Diagnosis. J Indian Acad Clin Med 2001; 2:17-20

99. Singh S., Mohanty A, Joshi YK, Deka D, Dwivedi SN. Outcome of hepatitis E virus infection in Indian pregnant women admitted to a tertiary care hospital. Indian J Med Res 2001; 113 : 35-39.

100. Aggarwal P, Wali JP, Singh S., Handa R, Wig N, Biswas A. A Clinico-Bacteriological study of peripheral tuberculous lymphadenitis. JAPI 2001; 49: 808-12.

101. Sivakumar R, Singh N, Singh S. Nested polymerase chain reaction in the diagnosis of congenital Cytomegalovirus infection. Indian J Pediatr 2001; 68: 1043-46.

102. Singh S., Mohanty A, Joshi YK, Deka D, Mohanty S, Panda SK. Hepatitis E virus infection carries high fatality rate in Indian pregnancies. eBMJ; 2001: Nov. 17.

103. Kaur M, Sivakumar R, Singh S.. Current trends in the laboratory diagnosis of tuberculosis- an overview. J Lab Med 2002; 3: 6-11.

104. Singh S. Human Strongyloidiasis in AIDS Era: Its Zoonotic importance. Review article. JAPI 2002; 50: 415-422.

105. Singh S. Prevalence of TORCH infections in pregnant women. Indian J Med Microb 2002; 20: 57-58.

106. Singh S. High prevalence of viral and other sexually transmitted diseases in Indian prisons. BMJ 2002; 324: 850.

107. Singh S., Veena Kumari, Singh N. Predicting Kala-Azar Disease Manifestations in Asymptomatic Patients with Latent Leishmania donovani Infection by Detection of Antibody against Recombinant K39 Antigen. Clin Diagn Lab Immunol 2002;9: 568-72.

108. Anonymous. Diagnosing and treating Leishmaniasis. Lancet Infectious Diseases, 2002; 2: 264

109. Singh B.A, Shashi Kant, Singh S., Kapoor SK. Seroprevalence of Toxoplasma infection among primigravid women attending antenatal clinic at a secondary level hospital in North India. J Indian Med Assoc, 2002; 100;: 591-97.

110. Singh S. Food scarcity and HI/AIDS epidemic in India. 2002. www.indev.org/articles/foodsecurity_hiv.html

111. Trajkovic V, Singh G, Singh B, Singh S., and Sharma P. Effect of Mycobacterium tuberculosis-Specific 10-Kilodalton Antigen on Macrophage Release of Tumor Necrosis Factor Alpha and Nitric Oxide. Infect Immun 2002 ;70 (12): 6558-6566

112. Singh S. Systemic versus local medication of vulvo-vaginal infections. eBMJ. 13 September 2002. available at http://bmj.bmjjournals.com/cgi/eletters/325/7364/586#25443

113. Singh S., Mohanty A, Joshi YK, Deka D, Mohanty S, Panda SK. Mother-to-child transmission of hepatitis E virus infection. Indian J Paed, 2003; 70: 37-39.

114. Natarajan K., Latchumanan V.K., Singh B, Singh S., and Sharma P. Maturation of dendritic cells by Mycobacterium tuberculosis specific antigen (MTSA) leads to down regulation of T helper responses to mycobacterial antigens. J Infect Dis. 2003 Mar 15;187(6):914-28.

115. Bharathi MV, Basheer AM, Nedunchelliyan S, Singh S., Meenachi Selven MS. Comparison of modified direct agglutination and indirect haemagglutination tests for detection of Toxoplasma gondii antibodies in goats in Chennai. J Vet Parasitol 2003; 17 (1): 49-51.

116. Singh S. Mother-to-child transmission and diagnosis of Toxoplasma gondii infection during pregnancy. Indian J Med Microbiol 2003; 21: 69-76.

117. Singh S.., Sivakumar R. Recent Advances in the Diagnosis of Leishmaniasis. J Postgrad Med. 2003; 49:55-60.

118. Singh S.. Book Review. Indian J Med Microbiol 2003;21:296-296

119. Singh S. Human immunodeficiency virus transmitted through sheep brain anti-rabies vaccination. Vaccine. 2003; 21:4119.

120. Singh S. Food crisis and AIDS: Indian perspective. Lancet. 2003; 362: 1938-9.

121. Singh S. Laboratory Diagnosis of Congenital TORCH infections. J Lab Med 2003; 4: 6-22.

122. Kothari S, Sivakumar R, Singh S. Absence of +32 mutation in CCR5 gene in a HIV-1 resistant Indian male spouse of an AIDS patient with 10 years unprotected exposure. J Lab Med 2003; 4: 28-32.

123. Singh S., Kumari V, Singh N. HIV-1 infection in a patient of acute lymphocytic leukaemia missed by HIV-spot and HIV-scan rapid tests. Indian J Med Microbiol 2004; 22: 64-65

124. Singh S., Kaur Manjot. High rate of primary and acquired drug resistance in Indian Isolates of Mycobacterium tuberculosis. Int J Infect Dis, 2004; 8 (suppl. 1): S48.

125. Singh S., Pandit AJ. Incidence and Prevalence of Toxoplasmosis in Indian pregnant women: A prospective study . Am J Reprod Immunol. 2004 Oct; 52(4):276-283.

126. Singh S.. Mucosal Leishmaniasis in an Indian AIDS patient. Lancet Infect Dis, 2004; 4: 660-61.

127. Singh S., Sivakumar R. Challenges and new discoveries in the Treatment of Leishmaniasis. Review. J Infect Chemother, 2004; 10 (6): 307-315.

128. Shahdad S, Kaur M, Khattar S, Singh S. A case of Pulmonary Mycobacterium celatum in an Indian AIDS Patient. Int J Infect Dis, 2005; 9 (1): 62-63.

129. Singh S., Dey A, Sivakumar R. Applications of Molecular Methods for Leishmania control. Review. Expert Rev Mol Diagn. 2005; 5 (2): 251-65.

130. Singh S.. Visceral Leishmaniasis: an opportunistic infection in HIV-infected patients. Lancet Infect Dis, 2005; 5: 197.

131. Wig N, Anupama P, Singh S., Handa R, Aggarwal P, Dwivedi SN, Jailkh ani BL, Wali JP. Tumor Necrosis Factor-alpha Levels in Patients with HIV with Wasting in South Asia. AIDS Patient Care STDS. 2005 Apr;19(4):212-5.

132. Singh S., Sivakumar R. Polypeptides for the diagnosis and therapy of Leishmaniasis. PCT/IN03/00400. Expert Opinion on Therapeutic Patents, Volume 15, Number 10, 1 October 2005, pp. 1439-1465.

133. Sivakumar R, Sharma P, Chang KP, Singh S. Cloning, Expression and Purification of a Novel recombinant antigen from Leishmania donovani. Protein Expr Purif, 2006,46:156-165.

134. Singh S. New Developments in diagnosis of leishmaniasis. Indian J Med Res, 2006; 123: 311-330.

135. Upadhyay A, Aggarwal R, Kapil A, Singh S., Paul VK, Deorari AK. Profile of Neonatal Sepsis in a tertiary care neonatal Unit from India.: A retrospective study. J Neonatol , 2006; 20 : 50-57.
136. Redhu N S., Dey A, Balooni V, Singh S.. Leishmania-HIV Co-infection: An Emerging Problem in India. AIDS, 2006; 20 (8): 1213-15.

137. Dey A, Singh S. Transfusion Transmitted Leishmaniasis. Indian J Med Microbiol, 2006 (In press).

138. Dey A, Singh S. Genetic heterogeneity among visceral leishmaniasis strains isolated from eastern India. Infection, Genetics & Evolution (communicated).

139. Redhu N S., Dey A, Balooni V, Singh S. Immunoglobulin G (IgG) Avidity to Determine the course of Disease in Visceral and Post Kala-Azar Dermal Leishmaniasis. Clinical and vaccine Immunology, 2006 (In press)