Role of the Corpus Luteum and Progesterone in the Evolution of Vertebrate ViviparityIan P. Callard, John A. McCracken, Lorelei E. Perez et al.|American Zoologist|1992Cited by 114
The role of steroids in reproduction in female elasmobranchs and reptilesIan P. Callard, Lorelei E. Perez, Georgia Giannoukos et al.|The Journal of Steroid Biochemistry and Molecular Biology|1991Cited by 41
Radioligand and Immunochemical Studies of Turtle Oviduct Progesterone and Estrogen Receptors: Correlations with Hormone Treatment and Oviduct ContractilityGeorgia Giannoukos, Ian P. Callard|General and Comparative Endocrinology|1996Cited by 36
Reptilian (Chrysemys picta) hepatic progesterone receptors: Relationship to plasma steroids and the vitellogenic cycleGeorgia Giannoukos, Ian P. Callard|The Journal of Steroid Biochemistry and Molecular Biology|1995Cited by 25
Turtle oviduct progesterone receptor: radioligand and immunocytochemical studies of changes during the seasonal cycleGeorgia Giannoukos, Ian P. Callard, D. W. Coho|Endocrine|1995Cited by 12