[LONG-TERM FOLLOW-UP EXAMINATION OF SICK SUBJECTS].
D003604:Czechoslovakia; D005500:Follow-Up Studies; D006801:Humans; D009017:Morbidity; D009026:Mortality; D013222:State Medicine; D013514:Surgical Procedures, Operative
CZECHOSLOVAKIA; MORBIDITY; MORTALITY; STATE MEDICINE; SURGERY, OPERATIVE
DLOUHODOB'E SLEDOV'AN'I OSUDU NEMOCN'YCH OSOB.