Optimal duration of prone positioning in patients with acute respiratory distress syndrome: a protocol for a systematic review and meta-regression analysis.
Tetsuro KamoYoshitaka AokiTatsuma FukudaKiyoyasu KurahashiHideto YasudaMasamitsu SanuiEishu NangoTakayuki AbeAlan Kawarai LeforSatoru HashimotoPublished in: BMJ open (2018)
CRD42017078340.