Structural analysis of smoking, alcohol use, and personality factors in MZ and DZ twin pair relationships.
D000328:Adult; D000428:Alcohol Drinking; D000704:Analysis of Variance; D005260:Female; D006801:Humans; D008297:Male; D008960:Models, Psychological; D010551:Personality; D011247:Pregnancy; D012907:Smoking; D014427:Twins; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic