Letter: Dangers of silent gall stones.
D000367:Age Factors; D002765:Cholecystography / Q000401:mortality; D002769:Cholelithiasis / Q000150:complications / Q000401:mortality* / Q000601:surgery; D005260:Female; D005706:Gallbladder Neoplasms / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D006113:United Kingdom