The effect of dexmedetomidine on neuroprotection in pediatric cardiac surgery patients: study protocol for a prospective randomized controlled trial. - Ji, Sang-Hwan; Kang, Pyoyoon; Song, In-Sun; Jang, Young-Eun; Lee, Ji-Hyun; Kim, Jin-Tae; Kim, Hee-Soo; Kim, Eun-Hee (Trials, 2022)