Media type: E-Article Title: Population Structures and the Role of Genetic Exchange in the Zoonotic Pathogen Cryptosporidium parvum Contributor: Mallon, Marianne; MacLeod, Annette; Wastling, Jonathan; Smith, Huw; Reilly, Bill; Tait, Andy imprint: Springer Science and Business Media LLC, 2003 Published in: Journal of Molecular Evolution Language: Not determined DOI: 10.1007/s00239-003-2477-7 ISSN: 0022-2844; 1432-1432 Keywords: Genetics ; Molecular Biology ; Ecology, Evolution, Behavior and Systematics Origination: Footnote: