K. Das

The changing epidemiological pattern of hepatitis A in an urban population of India: Emergence of a trend similar to the European countries

S. Kapoor, R. Gupta, P. Kar, 2000, European Journal of Epidemiology.

Association of HLA phenotype with primary non-response to recombinant hepatitis B vaccine: a study from north India.

R. Gupta, Sanjay Singh, P. Kar, 2004, Tropical gastroenterology : official journal of the Digestive Diseases Foundation.

Role of transfusion‐transmitted virus in acute viral hepatitis and fulminant hepatic failure of unknown etiology

P. Kar, K. Das, R. Gupta, 2004, Journal of gastroenterology and hepatology.

Immunogenicity and reactogenicity of an inactivated hepatitis A vaccine in Indian adults.

R. Gupta, P. Kar, K. Das, 1999, The National medical journal of India.

Non-alcoholic steatohepatitis.

P. Kar, K. Das, 2005, The Journal of the Association of Physicians of India.

Immunogenicity and reactogenicity of a recombinant hepatitis B vaccine in subjects over age of forty years and response of a booster dose among nonresponders.

R. Gupta, P. Kar, K. Das, 2003, World journal of gastroenterology.

Role of hepatitis E and other hepatotropic virus in aetiology of sporadic acute viral hepatitis: A hospital based study from urban Delhi

P. Kar, G. Frösner, Kunal Das, 2004, European Journal of Epidemiology.

Serological study of hepatitis A virus infection amongst the students of a medical college in Delhi & evaluation of the need of vaccination.

R. Gupta, S. Rana, P. Kar, 2002, The Indian journal of medical research.

Is a vaccination program against hepatitis A needed in India?

B. Das, P. Kar, K. Das, 1998, Indian Journal of Gastroenterology.