title: In memoriam: Roy Orval Greep.
authors.affiliation: The University of Texas, Houston Health Science Center, 77030, USA.
authors.forename: E
authors.initials: E
authors.lastname: Knobil
mesh_terms: D004704:Endocrinology / Q000266:history*; D049673:History, 20th Century; D012955:Societies, Medical / Q000266:history; D014481:United States