[A study of skeletal age in 250 pairs of twins].
D000293:Adolescent; D000328:Adult; D000365:Age Determination by Skeleton; D001827:Body Height; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D014427:Twins; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic