title: The ergon-chronon system in schizophrenia. A twin study.
mesh_terms: D000328:Adult; D000367:Age Factors; D001722:Birth Order; D001724:Birth Weight; D002389:Catatonia / Q000235:genetics; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D008297:Male; D010375:Pedigree; D010641:Phenotype; D011581:Psychological Tests; D012559:Schizophrenia / Q000145:classification / Q000235:genetics*; D013997:Time Factors