Saha Malay Ranjan, Dutta Phalguni, Palit Anup, Dutta Dharitri, Bhattacharya Mihir Kumar, Mitra Utpala, Bhattacharya Sujit Kumar
Division of Microbiology, National Institute of Cholera and Enteric Diseases (National Council of Medical Research), Kolkata 700010, India.
Jpn J Infect Dis. 2003 Jun;56(3):121-2.