Lance, V.A.

Lance, V.A.; Patton, M.L.; Hagey, L.R. 2001. Identification of a series of C21O2 pregnanes from fecal extracts of a pregnant black rhinoceros (Diceros bicornis minor). Steroids 66: 875-881, figs. 1-3, table 1.

Patton, M.L.; Swaisgood, R.R.; Czekala, N.M.; White, A.; Fetter, G.A.; Montagne, J.P.; Rieches, R.; Lance, V.A. 1999. Reproductive cycle length and pregnancy in the southern white rhinoceros (Ceratotherium simum simum) as determined by fecal pregnane analysis and observations of mating behavior. Zoo Biology 18 (2): 111-127, figs. 1-4, tables 1-2.

Roth, T.L.; Patton, L.; Moray Brown, J.; Czekala, N.M.; Swaisgood, R.R.; Lance, V.A. 1998. The North American experience: female hormonal cycles in southern white rhinoceros.

Patton, M.L.; Czekala, N.M.; Schaffer, N.E.; Lance, V.A. 1998. Hormonal manipulations of rhinoceros.

Patton, L.; Czekala, N.M.; Lance, V.A. 1998. Proceedings of a workshop on problems associated with the low rate of reproduction among captive-born female southern white rhinoceros (Ceratotherium simum simum). San Diego, Zoological Society. pp. 1, 1-51.

Henry, S.; Lance, V.A. 1993. Purification and characterization of insulin and the C-peptide of proinsulin from Przewalski’s horse, zebra, rhino, and tapir (Perissodactyla). General and Comparative Endocrinology 89: 299-308, figs. 1-3, tables 1-3.

Henry, J.S.; Lance, V.A. 1991. Primary structure of pancreatic polypeptide from four species of Perissodactyla (Przewalski’s horse, zebra, rhino, tapir). General and Comparative Endocrinology 84: 440-446, figs. 1-3, tables 1-3.