1. Smith HL Jr, Freter R, Sweeney FJ Jr: Enumeration of cholera vibrios in faecal samples. J Infect Dis 109: 31–34, 1961.
2. Dizon JJ, Fukumi H, Barua D, et al: Studies on cholera carriers. Bull WHO 37: 737–743, 1967.
3. Gorbach SI, Banwell JG, Jacob B, et al: Intestinal microflora in Asiatic cholera. I. Rice-water stool. J Infect Dis 121: 32–37, 1970.
4. Venkatraman KV, Ramakrishnan CS: A preserving medium for the transmission of specimens for the isolation of Vibrio cholerae. Indian J Med Res 29: 681–684, 1941.
5. Pal SC, Murty DK, Murti GVS, et al: Bacteriological investigations of cholera epidemics in Gurgaon district and in Delhi during 1965–66. Indian J Med Res 55: 810–814, 1967.