[Study of morbidity of the population of the socialistic countries of Europe].
D002031:Bulgaria; D003604:Czechoslovakia; D005859:Germany, East; D006801:Humans; D006814:Hungary; D009017:Morbidity; D011044:Poland; D011159:Population Surveillance; D011635:Public Health Administration; D012383:Romania; D012423:Rural Health; D012950:Socialism; D014505:Urban Population
Izuchenie obshcheĭ zabolevaemosti naseleniĭa v sotsialisticheskikh stranakh Evopy.