Anal fistulae in childhood.
D000038:Abscess / Q000150:complications; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D012003:Rectal Fistula / Q000209:etiology* / Q000601:surgery; D012008:Recurrence; D012737:Sex Factors