de Vries, G.C., Sabdoningrum, E.K. and Rahardjo, D. 2010. New Biotype of Vibrio cholerae O1 from Clinical Isolates in Surabaya. Indonesian Journal of Tropical and Infectious Disease. 1, 1 (Apr. 2010), 48–53. DOI:https://doi.org/10.20473/ijtid.v1i1.3724.