Additional file 1: of The impact of phosphate-balanced crystalloid infusion on acid-base homeostasis (PALANCE study): study protocol for a randomized controlled trial PagelJudith-Irina HuldeNikolai KammererTobias SchwarzMichaela ChappellDaniel BurgesAlexander Hofmann-KieferKlaus RehmMarkus 2017 SPIRIT Checklist. (PDF 175 kb)