1. Nace, G. W.: The Amphibian Facility of The University of Michigan. Bioscience 18(8):767–775, 1968.
2. Joiner, G. N. and Abrams, G. D.: Experimental tuberculosis in the leopard frog. J. Amer. Vet. Assoc. 151:942–949, 1967.
3. Gibbs, E. L., Gibbs, T. J. and Van Dyck, P. C.: Kana pipicns: health and disease. Lab. Animal Care 16:142–153, 1966.