Paracervical block.
D000328:Adult; D000773:Anesthesia, Obstetrical; D000775:Anesthesia, Spinal; D004357:Drug Synergism; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007743:Labor, Obstetric; D008431:Maternal-Fetal Exchange; D008619:Mepivacaine / Q000494:pharmacology; D010656:Phenylephrine / Q000494:pharmacology; D011247:Pregnancy; D013748:Tetracaine / Q000494:pharmacology
D013748:Tetracaine; D010656:Phenylephrine; D008619:Mepivacaine