Sodhi JS, Wani N, Jeelani S, Geelani S, Akhtar F, Javid G, et al. Occult hepatitis B virus infection as a cause of posttransfusion hepatitis in patients with cancers. Indian journal of gastroenterology : official journal of the Indian Society of Gastroenterology// Indian J Gastroenterol. 2013;32(5):291-6.