title: Identical twins concordant for the progression of affective illness to schizophrenia.
mesh_terms: D000328:Adult; D001714:Bipolar Disorder / Q000150:complications / Q000235:genetics*; D004200:Diseases in Twins; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D011247:Pregnancy; D012559:Schizophrenia / Q000150:complications / Q000235:genetics*; D014430:Twins, Monozygotic