Cortelyou, John R.; McWhinnie, Dolores J. (1967). "Parathyroid Glands of Amphibians. I. Parathyroid Structure and Function in the Amphibian, with Emphasis on Regulation of Mineral Ions in Body Fluids". American Zoologist7 (4): 843–855. JSTOR3881518. doi:10.1093/icb/7.4.843.
Cortelyou, John R.; McWhinnie, Dolores J. (1967). "Parathyroid Glands of Amphibians. I. Parathyroid Structure and Function in the Amphibian, with Emphasis on Regulation of Mineral Ions in Body Fluids". American Zoologist7 (4): 843–855. JSTOR3881518. doi:10.1093/icb/7.4.843.