Sehgal, SMujtaba, S1998-01-182009-05-291998-01-182009-05-291998-01-18Sehgal S, Mujtaba S. Prevalence of HBsAg in patients with HIV infection and AIDS. Indian Journal of Gastroenterology. 1998 Jan; 17(1): 35-6http://imsear.searo.who.int/handle/123456789/64405engAcquired Immunodeficiency Syndrome --complicationsHIV Infections --complicationsHepatitis B --complicationsHepatitis B Surface Antigens --analysisHumansPrevalencePrevalence of HBsAg in patients with HIV infection and AIDS.Letter