title: [Drug-induced analgesia during the 1st stage of labor].
mesh_terms: D000773:Anesthesia, Obstetrical; D000777:Anesthetics; D005260:Female; D006801:Humans; D011247:Pregnancy
chemical_list: D000777:Anesthetics
vernacular_title: Medikamentoznoe obezbolivanie v pervom periode rodov.