P, K., FA, M., S, C., AE, S., & MJ, F. (1998). Variable distribution of Cryptosporidium parvum in the intestine of AIDS patients revealed by polymerase chain reaction. European journal of gastroenterology & hepatology, 10(10), 855. https://doi.org/10.1097/00042737-199810000-00008
Chicago Style (17th ed.) CitationP, Kelly, Makumbi FA, Carnaby S, Simjee AE, and Farthing MJ. "Variable Distribution of Cryptosporidium Parvum in the Intestine of AIDS Patients Revealed by Polymerase Chain Reaction." European Journal of Gastroenterology & Hepatology 10, no. 10 (1998): 855. https://doi.org/10.1097/00042737-199810000-00008.
MLA (9th ed.) CitationP, Kelly, et al. "Variable Distribution of Cryptosporidium Parvum in the Intestine of AIDS Patients Revealed by Polymerase Chain Reaction." European Journal of Gastroenterology & Hepatology, vol. 10, no. 10, 1998, p. 855, https://doi.org/10.1097/00042737-199810000-00008.