[SOME PROBLEMS CONCERNING THE COURSE OF CROUPOUS PNEUMONIA DURING THE PAST FEW YEARS. (REVIEW OF THE LITERATURE)].
D006801:Humans; D011014:Pneumonia
PNEUMONIA; REVIEW
NEKOTORYE VOPROSY TECHENIIA KRUPOZNO I PNEVMONII V POSLEDNIE GODY. (OBZOR LITERATURY)