Institution: | National Institute of Cholera and Enteric Diseases, P-33, CIT Road, Scheme XM, Beliaghata, Calcutta 700 010, India;Department of Gastrointestinal Sciences, Christian Medical College, Vellore, India;International Centre for Diarrheal Disease Research of Bangladesh, Dhaka, Bangladesh;Research Institute, International Medical Research Center of Japan, Tokyo 162, Japan |