title: Plasma CPK levels in monozygotic and dizygotic twins discordant for schizophrenia.
mesh_terms: D000328:Adult; D000368:Aged; D003402:Creatine Kinase / Q000097:blood*; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D012559:Schizophrenia / Q000201:enzymology* / Q000235:genetics; D014429:Twins, Dizygotic / Q000523:psychology; D014430:Twins, Monozygotic / Q000523:psychology
chemical_list: D003402:Creatine Kinase