de Vries, Garry Cores, Emy Koestanti Sabdoningrum, and Dadik Rahardjo. “New Biotype of Vibrio Cholerae O1 from Clinical Isolates in Surabaya”. Indonesian Journal of Tropical and Infectious Disease 1, no. 1 (April 1, 2010): 48–53. Accessed February 9, 2025. https://e-journal.unair.ac.id/IJTID/article/view/3724.