Letter: Maternal deaths and paracervical block anesthesia.
D000773:Anesthesia, Obstetrical / Q000009:adverse effects*; D000779:Anesthetics, Local / Q000008:administration & dosage / Q000009:adverse effects; D001340:Autonomic Nerve Block / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008428:Maternal Mortality; D011247:Pregnancy
D000779:Anesthetics, Local