The analysis of therapeutic effect about the use of pulmonary surfactant in lower than 32 weeks / 中国基层医药

0.05).Contrast between the two groups after infusing PS,pH and PaO_2 gained obvious difference,which showed rectification of hypoxemia and acid-intoxication.Preventative group's incidence of HMD was 27.45% while the treat group's was 80%(?~2=16.26,P