title: Treatment of intractable coccygodynia by transsacral ammonium chloride injection.
mesh_terms: D000328:Adult; D000643:Ammonium Chloride / Q000008:administration & dosage* / Q000494:pharmacology; D000765:Anesthesia, Conduction; D002986:Clinical Trials as Topic; D003050:Coccyx / Q000033:anatomy & histology / Q000000981:diagnostic imaging / Q000293:injuries / Q000294:innervation; D004837:Epinephrine / Q000008:administration & dosage; D005260:Female; D006801:Humans; D007267:Injections; D008012:Lidocaine / Q000008:administration & dosage; D010146:Pain / Q000188:drug therapy*; D011247:Pregnancy; D011248:Pregnancy Complications; D011859:Radiography; D012445:Sacrococcygeal Region; D013997:Time Factors
chemical_list: D000643:Ammonium Chloride; D008012:Lidocaine; D004837:Epinephrine