Richman, P B The effectiveness of ice as a topical anesthetic for the insertion of intravenous catheters. [electronic resource] - The American journal of emergency medicine May 1999 - 255-7 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0735-6757 Standard No.: 10.1016/s0735-6757(99)90119-5 doi Subjects--Topical Terms: Administration, TopicalAdultAnesthetics, Local--therapeutic useCatheterization, Peripheral--adverse effectsFemaleHumansIceInfusions, IntravenousMalePain--prevention & controlProspective StudiesSex Factors