Birth order and the obsessive-compulsive character.
D000124:Achievement; D000293:Adolescent; D001722:Birth Order; D005260:Female; D006801:Humans; D007223:Infant; D007398:Interpersonal Relations; D008297:Male; D009771:Obsessive-Compulsive Disorder; D009863:Only Child; D010287:Parent-Child Relations; D012737:Sex Factors; D012801:Sibling Relations; D014705:Verbal Behavior