Twin-family studies of common fears and phobias.
D000293:Adolescent; D000328:Adult; D005260:Female; D014644:Genetic Variation; D005824:Genetics, Behavioral; D006801:Humans; D008297:Male; D010698:Phobic Disorders / Q000235:genetics*; D011247:Pregnancy; D014427:Twins / Q000523:psychology*; D014429:Twins, Dizygotic / Q000523:psychology*; D014430:Twins, Monozygotic / Q000523:psychology*