[EPIDEMIC PNEUMONIA IN THE MIDST OF PREMATURE BIRTHS IN BELGRADE].
D004813:Epidemiology; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases; D011014:Pneumonia; D011247:Pregnancy; D047928:Premature Birth; D015022:Yugoslavia
EPIDEMIOLOGY; INFANT, NEWBORN; INFANT, PREMATURE, DISEASES; PNEUMONIA; YUGOSLAVIA
EPIDEMIA PNEUMOCYSTOZY W O'SRODKU WCZE'SNIAK'OW W BELGRADZIE.