title: Toward less painful anesthesia: water, saline, and lidocaine.
mesh_terms: D000772:Anesthesia, Local / Q000379:methods*; D000777:Anesthetics; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006801:Humans; D007271:Injections, Intradermal; D008012:Lidocaine; D010146:Pain; D012965:Sodium Chloride; D012996:Solutions; D014867:Water
chemical_list: D000777:Anesthetics; D012996:Solutions; D014867:Water; D012965:Sodium Chloride; D008012:Lidocaine