[POSTGRADUATE INSTRUCTION IN INTERNAL MEDICINE].
D003604:Czechoslovakia; D004503:Education, Medical, Graduate; D006801:Humans; D007388:Internal Medicine
CZECHOSLOVAKIA; EDUCATION, MEDICAL, POSTGRADUATE; INTERNAL MEDICINE
POSTGRADU'ALN'I V'YUKA VE VNIT RN'IM L'EKA RSTV'I.