[APROPOS OF PULMONARY TUBERCULOSIS IN MIDDLE-AGED SUBJECTS].
D004813:Epidemiology; D006801:Humans; D008875:Middle Aged; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary; D014586:USSR
EPIDEMIOLOGY; MIDDLE AGE; TUBERCULOSIS, PULMONARY; USSR
K VOPOROSU O TUBERKULEZE LEGKIKH U LITS POZHILOGO VOZRASTA.