title: Frank Lillie's freemartin: illuminating the pathway to 21st century reproductive endocrinology.
authors.affiliation: Department of Cell Biology, Duke University Medical Center, Durham, North Carolina 27710, USA. b.capel@cellbio.duke.edu
authors.forename: Blanche
authors.initials: B
authors.lastname: Capel
authors.forename: Doug
authors.initials: D
authors.lastname: Coveney
mesh_terms: D000818:Animals; D002417:Cattle / Q000196:embryology*; D004704:Endocrinology / Q000266:history*; D005611:Freemartinism / Q000196:embryology*; D049673:History, 20th Century; D012098:Reproduction