[Psychopathic hereditability.  II.  Gemellary oligophrenia].
D004194:Disease; D004200:Diseases in Twins; D040941:Heredity; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D014427:Twins
HEREDITY; MENTAL DEFICIENCY/heredity; TWINS/diseases
L'ereditarietà psicopatica.  II.  Oligofrenia gemellare.