[Endovenous procaine in labor analgesia; preliminary report on 25 cases].
D000698:Analgesia; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D011247:Pregnancy; D011343:Procaine / Q000031:analogs & derivatives
D011343:Procaine
LABOR; PROCAINE AND COMPOUNDS
Procaäna endovenosa en la analgesia del parto. Comunicación preliminar--veinticinco casos.