[FURTHER POSSIBILITIES FOR DECREASING PREMATURE INFANT MORTALITY DUE TO RESPIRATORY DISEASES].
D000138:Acidosis; D003604:Czechoslovakia; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D007235:Infant, Premature, Diseases; D008171:Lung Diseases; D014882:Water-Electrolyte Balance
ACIDOSIS; CZECHOSLOVAKIA; INFANT; INFANT MORTALITY; INFANT, NEWBORN; INFANT, PREMATURE, DISEASES; LUNG DISEASES; WATER-ELECTROLYTE BALANCE
DAL S'I MO ZNOSTI SN'I ZEN'I 'UMRTNOSTI NEDONO SEN'YCH D ET'I RESPIRA CN'I PORUCHY.