646
Participants
Start Date
September 1, 2015
Primary Completion Date
June 30, 2020
Study Completion Date
December 31, 2020
arterial blood gas
Just record clinical lab data
Brigham and Women's Hospital, Boston
Guangzhou Red Cross Hospital, Guangzhou
PLA General Hospital, Beijing
Chinese PLA General Hospital
OTHER
Guangzhou Red Cross Hospital
OTHER
Guangdong Provincial People's Hospital
OTHER
Brigham and Women's Hospital
OTHER