title: Robert Layman Summitt, M.D. 1932-1998.
authors.affiliation: University of Memphis, Memphis, Tennessee, USA.
authors.forename: R S
authors.initials: RS
authors.lastname: Wilroy
authors.forename: J M
authors.initials: JM
authors.lastname: Opitz
mesh_terms: D000013:Congenital Abnormalities; D005826:Genetics, Medical / Q000266:history; D049673:History, 20th Century; D006801:Humans; D014481:United States