title: Schizophrenia and the schizoid: the problem for genetic analysis.
mesh_terms: D000300:Adoption; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D008297:Male; D009497:Neurotic Disorders / Q000235:genetics; D010641:Phenotype; D012557:Schizoid Personality Disorder / Q000235:genetics*; D012559:Schizophrenia / Q000235:genetics*