[CHRONIC BRONCHITIS IN CZECHOSLOVAKIA. AN ATTEMPT TO RE-EVALUATE THE HEALTH STATUS ACCORDING TO STATISTICAL DATA AND FINDINGS].
D001991:Bronchitis; D029481:Bronchitis, Chronic; D003604:Czechoslovakia; D004185:Disability Evaluation; D006304:Health Status; D006306:Health Surveys; D006801:Humans; D009017:Morbidity
BRONCHITIS; CZECHOSLOVAKIA; DISABILITY EVALUATION; HEALTH SURVEYS; MORBIDITY