Improved quantitative estimates of low environmental loading and sporadic periparturient shedding of Cryptosporidium parvum in adult beef cattle

Atwill, E.R ; Hoar, B ; Gracas Cabral Pereira, M. das ; Tate, K.W ; Rulofson, F ; Nader, G

Applied and Environmental Microbiology, 2003-08, Vol.69 (8), p.4604-4610 [Periódico revisado por pares]

Washington, DC: American Society for Microbiology

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