Teenage appendicitis in Nigerian Igbos.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D001064:Appendicitis / Q000453:epidemiology*; D044383:Black People; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D009549:Nigeria; D012737:Sex Factors