[Statistical observation on clinical cases of microtia and otoplasty].
D002675:Child, Preschool; D004423:Ear / Q000002:abnormalities* / Q000601:surgery*; D004424:Ear Canal / Q000002:abnormalities; D005260:Female; D006801:Humans; D008297:Male; D012737:Sex Factors; D013518:Surgery, Plastic