Comparison of low-cost interventions for pain during radial arterial blood gas sampling in the emergency department: a three-arm randomised controlled trial. - Taveekijakarn, Chawin; Lohawatcharagul, Tuntanut; Vitoonpanakoon, Supichaya; Sirisantisamrid, Pornchanok; Suenghataiphorn, Thanathip; Valyasevi, Peerada; Tangsirisatian, Ponphisudti (Emergency Care Journal, 2026)