title: X-linked mental retardation: the early era from 1943 to 1969.
authors.affiliation: Greenwood Genetic Center, South Carolina 29646.
authors.forename: R E
authors.initials: RE
authors.lastname: Stevenson
authors.forename: C E
authors.initials: CE
authors.lastname: Schwartz
authors.forename: J F
authors.initials: JF
authors.lastname: Arena
authors.forename: H A
authors.initials: HA
authors.lastname: Lubs
mesh_terms: D002874:Chromosome Mapping / Q000266:history; D008040:Genetic Linkage; D049673:History, 20th Century; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics / Q000266:history*; D012729:Sex Chromosome Aberrations / Q000266:history; D014960:X Chromosome / Q000235:genetics