[Mortality of out-of-town patients in Leningrad hospitals].
D002318:Cardiovascular Diseases / Q000401:mortality; D006769:Hospitals, General / Q000706:statistics & numerical data*; D006782:Hospitals, Special / Q000706:statistics & numerical data*; D006801:Humans; D009369:Neoplasms / Q000401:mortality; D012426:Russia
Letal'nost' inogorodnikh bol'nykh v statsionarakh Leningrada.