[Painless labor with nitrogen oxide].
D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D009569:Nitric Oxide; D009584:Nitrogen; D017672:Nitrogen Compounds; D009589:Nitrogen Oxides; D009774:Obstetrics; D011247:Pregnancy; D014937:Work
D017672:Nitrogen Compounds; D009589:Nitrogen Oxides; D009569:Nitric Oxide; D009584:Nitrogen
LABOR; NITROGEN AND COMPOUNDS; OBSTETRICS
Obezbolivanie rodov zakis'iu azota.