Zhonghua fu chan ke za zhi
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Zhonghua Fu Chan Ke Za Zhi · Oct 2002
[Clinical study on efficacy and safety of labor analgesia with inhalation of nitrous oxide in oxygen].
To investigate the efficacy and safety of labor analgesia with inhalation of 50% nitrous oxide in oxygen. ⋯ Inhalation of 50% nitrous oxide in oxygen was safe and effective labor analgesia. It is acceptable. The measure of relieving labor pain may increase the vaginal birth rate. There is no severe side effect on mother and baby.