Mental retardation in children. An epidemiological and etiological study of mentally retarded children born 1959-1970 in a northern Swedish county
Treść karty:538,940 BLOMQUIST HAHS K. son Mental retardation in children. An epidemiological and etiological study of mentally retarded children born 1959—1970 in a northern Swedish county. Umea 1982 Larsson and Co: S Tryckeri 8° s. 145, il. + wkł. s nlb. 2 Umea University Medical Dissertations N. s. nr 76