Authors: Radcliffe, RW Eyres, AI Patton, ML Czekala, NM Emslie, RH

Citation: Rw. Radcliffe et al., Ultrasonographic characterization of ovarian events and fetal gestational parameters in two southern black rhinoceros (Diceros bicomis minor) and correlation to fecal progesterone, THERIOGENOL, 55(5), 2001, pp. 1033-1049

Authors: Ludders, JW Langenberg, JA Czekala, NM Erb, HN

Citation: Jw. Ludders et al., Fecal corticosterone reflects serum corticosterone in Florida sandhill cranes, J WILDL DIS, 37(3), 2001, pp. 646-652

Authors: Maggioncalda, AN Czekala, NM Sapolsky, RM

Citation: An. Maggioncalda et al., Growth hormone and thyroid stimulating hormone concentrations in captive male orangutans: Implications for understanding developmental arrest, AM J PRIMAT, 50(1), 2000, pp. 67-76

Authors: Jurke, MH Hagey, LR Jurke, S Czekala, NM

Citation: Mh. Jurke et al., Monitoring hormones in urine and feces of captive bonobos (Pan paniscus), PRIMATES, 41(3), 2000, pp. 311-319

Authors: Patton, ML Swaisgood, RR Czekala, NM White, AM Fetter, GA Montagne, JP Rieches, RG Lance, VA

Citation: Ml. Patton et al., 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 BIOL, 18(2), 1999, pp. 111-127

Authors: Maggioncalda, AN Sapolsky, RM Czekala, NM

Citation: An. Maggioncalda et al., Reproductive hormone profiles in captive male orangutans: Implications forunderstanding developmental arrest, AM J P ANTH, 109(1), 1999, pp. 19-32