title: Intrapair difference in personality traits, and emotional and social adjustment in monozygotic twins.
mesh_terms: D000328:Adult; D000342:Affective Symptoms / Q000235:genetics; D000367:Age Factors; D000368:Aged; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010551:Personality; D011247:Pregnancy; D012917:Social Adjustment; D014427:Twins; D014430:Twins, Monozygotic