title: Sex dimorphism of head between age 3 to 17 in boys and girls of Plovdiv.
mesh_terms: D000293:Adolescent; D000886:Anthropometry; D002031:Bulgaria; D002508:Cephalometry; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D012737:Sex Factors