Perera, J2009-05-282009-05-281990-12-01Perera J. Cryptosporidiosis. The Ceylon Medical Journal. 1990 Dec; 35(4): 133-5http://imsear.searo.who.int/handle/123456789/48550The Ceylon Medical Journal.engAnimalsCryptosporidiosis --immunologyCryptosporidiumHumansIntestinal Diseases, Parasitic --immunologyJournal Article