[SEROLOGICAL AND EPIDEMIOLOGICAL STUDIES ON PNEUMOCYSTIS PNEUMONIA].
D003168:Complement Fixation Tests; D016021:Epidemiologic Studies; D004813:Epidemiology; D006801:Humans; D056885:Interstitial Cells of Cajal; D010949:Plasma; D010950:Plasma Cells; D011014:Pneumonia; D011020:Pneumonia, Pneumocystis
COMPLEMENT FIXATION TESTS; EPIDEMIOLOGY; PNEUMONIA, INTERSTITIAL PLASMA CELL
SEROLOGICHNI I EPIDEMIOLOGICHNI PROUCHVANIIA VURKHU PNEVMOTSISTNATA PNEVMONIIA.