[INVESTIGATION OF THE HEALTH STATUS ON A COLLECTIVE FARM].
D003604:Czechoslovakia; D005853:Geriatrics; D006304:Health Status; D006801:Humans; D009017:Morbidity; D012423:Rural Health; D013222:State Medicine
CZECHOSLOVAKIA; GERIATRICS; MORBIDITY; RURAL HEALTH; STATE MEDICINE
SET REN'I O ZDRAVOTN'IM STAVU  CLENU JZD.