title: Sphenopalatine block--the cheapest technique in the management of chronic pain.
authors.forename: A L
authors.initials: AL
authors.lastname: Russell
mesh_terms: D000336:Aerosols; D002908:Chronic Disease; D006801:Humans; D008012:Lidocaine / Q000008:administration & dosage / Q000627:therapeutic use; D009407:Nerve Block / Q000191:economics; D010146:Pain / Q000191:economics; D059408:Pain Management
chemical_list: D000336:Aerosols; D008012:Lidocaine