title: Paracervical block in obstetrics. An improved injection method. A clinical and radiological study.
mesh_terms: D000136:Acid-Base Equilibrium; D000293:Adolescent; D000328:Adult; D000773:Anesthesia, Obstetrical; D001034:Apgar Score; D001794:Blood Pressure; D002045:Bupivacaine; D002584:Cervix Uteri / Q000000981:diagnostic imaging* / Q000294:innervation; D002585:Cesarean Section; D002712:Chlorides; D003287:Contrast Media; D005260:Female; D005318:Fetal Heart; D005333:Fetus / Q000187:drug effects; D006801:Humans; D007267:Injections; D007746:Labor Presentation; D008431:Maternal-Fetal Exchange; D009407:Nerve Block / Q000379:methods*; D010690:Phlebography; D011187:Posture; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second
chemical_list: D002712:Chlorides; D003287:Contrast Media; D002045:Bupivacaine