[Comparative evaluation of various methods for labor pain relief].
D000328:Adult; D004580:Electronarcosis; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D010100:Oxygen / Q000627:therapeutic use; D059408:Pain Management; D011247:Pregnancy
D010100:Oxygen
Sravnitel'naia otsenka razlichnykh metodov obezbolivaniia rodov.