title: A study of the maturity onset of adult umbilical hernia.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D005260:Female; D006547:Hernia / Q000150:complications; D006554:Hernia, Umbilical / Q000150:complications / Q000453:epidemiology* / Q000473:pathology / Q000601:surgery; D006801:Humans; D008171:Lung Diseases / Q000150:complications; D008297:Male; D008875:Middle Aged; D009765:Obesity / Q000150:complications; D011247:Pregnancy; D011272:Pregnancy, Multiple; D012737:Sex Factors