[STUDIES ON THE PROBLEM OF THE TIME OF SEEKING MEDICAL AID BY PATIENTS WITH BREAST CANCER IN THE SOFIA REGION (THE PERIOD 1952-1961)].
D001943:Breast Neoplasms; D002031:Bulgaria; D006801:Humans; D009369:Neoplasms / Q000453:epidemiology*
BREAST NEOPLASMS; BULGARIA; NEOPLASM STATISTICS
PROUCHVANE NA VUPROSA ZA NAVREMENNOTO POTURSVANE NA MEDITSINSKA POMOSHCH OT BOLNITE OT RAK NA GURDATA V SOFIISKI OKRUG. (ZA VREMETE 1952-1961)