1. The biology of Giardia spp;Adam;Microbiol. Rev.,1991
2. Prevalence of Cryptosporidium muris-like oocysts among cattle populations of the United States. Preliminary report;Anderson;J. Protozool.,1991
3. Cryptosporidial infection in Idaho dairy calves;Anderson;J. Am. Vet. Med. Assoc.,1982
4. Prevalence of and associated risk factors for shedding Cryptosporidium parvum oocyst and Giardia cysts within feral pig populations in California;Atwill;Appl. Environ. Microbiol.,1997
5. Age geographic and temporal distribution of fecal shedding of Cryptosporidium parvum oocysts in cow–calf herds;Atwill;Am. J. Vet. Med. Assoc.,1999