Obturator hernia.
D000367:Age Factors; D000368:Aged; D005260:Female; D006547:Hernia / Q000150:complications / Q000175:diagnosis / Q000453:epidemiology / Q000401:mortality; D059685:Herniorrhaphy; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D012737:Sex Factors; D012846:Singapore