title: Persistent abdominal pain. Treatment by nerve block.
mesh_terms: D000005:Abdomen; D000009:Abdominal Muscles / Q000294:innervation; D000765:Anesthesia, Conduction; D005500:Follow-Up Studies; D006801:Humans; D007001:Hypogastric Plexus; D007264:Inguinal Canal / Q000294:innervation; D010146:Pain / Q000188:drug therapy* / Q000209:etiology; D010636:Phenols / Q000627:therapeutic use*
chemical_list: D010636:Phenols