Hospitalization of Metropolitan employees in 1973.
D000005:Abdomen / Q000601:surgery; D000288:Administrative Personnel; D000328:Adult; D000367:Age Factors; D000368:Aged; D002318:Cardiovascular Diseases / Q000628:therapy; D005260:Female; D005836:Genitalia, Female / Q000601:surgery; D006760:Hospitalization; D006801:Humans; D007352:Insurance, Life; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D013514:Surgical Procedures, Operative; D013997:Time Factors; D014566:Urogenital System / Q000601:surgery