Atwill, E. R., Camargo, S. M., Phillips, R., Alonso, L. H., Tate, K. W., Jensen, W. A., . . . Salmon, T. P. (2001). Quantitative Shedding of Two Genotypes of Cryptosporidium parvum in California Ground Squirrels (Spermophilus beecheyi). American Society for Microbiology.

Atwill, Edward R., Sergio Maldonado Camargo, Ralph Phillips, Laura Herrera Alonso, Kenneth W. Tate, Wayne A. Jensen, Joe Bennet, Scott Little, ja Terrell P. Salmon. Quantitative Shedding of Two Genotypes of Cryptosporidium Parvum in California Ground Squirrels (Spermophilus Beecheyi). American Society for Microbiology, 2001.

Atwill, Edward R., et al. Quantitative Shedding of Two Genotypes of Cryptosporidium Parvum in California Ground Squirrels (Spermophilus Beecheyi). American Society for Microbiology, 2001.