title: Re: Local cold block and guanethidine.
mesh_terms: D000698:Analgesia / Q000379:methods*; D002908:Chronic Disease; D017679:Cryotherapy; D006145:Guanethidine / Q000627:therapeutic use*; D006801:Humans; D009407:Nerve Block / Q000379:methods*; D059408:Pain Management
chemical_list: D006145:Guanethidine