Affiliation: | (1) Department of Gastroenterology, Dayanand Medical College and Hospital, Ludhiana, 141 001, India;(2) Department of Medicine, Dayanand Medical College and Hospital, Ludhiana, India;(3) Department of Community Medicine, Dayanand Medical College & Hospital, Ludhiana, India;(4) Dayanand Medical College & Hospital, Ludhiana, India;(5) Department of Pathology, Dayanand Medical College and Hospital, Ludhiana, India;(6) Department of Transfusion Medicine, Dayanand Medical College & Hospital, Ludhiana, India |