The biology of mental defect /
Penrose, L. S. 1898-1972
The biology of mental defect / With a pref. by J.B.S. Haldane. - New York : Grune & Stratton, 1949. [Reprinted 1954] - xiv, 285 p. : ill. ; 23 cm.
Bibliography: p. 241-264. and Index
Medical genetics.
People with mental disabilities.
Mental retardation.
136.32 / PEB 1954
The biology of mental defect / With a pref. by J.B.S. Haldane. - New York : Grune & Stratton, 1949. [Reprinted 1954] - xiv, 285 p. : ill. ; 23 cm.
Bibliography: p. 241-264. and Index
Medical genetics.
People with mental disabilities.
Mental retardation.
136.32 / PEB 1954