126
Participants
Start Date
October 31, 2015
Primary Completion Date
October 31, 2016
Study Completion Date
October 31, 2016
Aminophylline
isotonic saline
Suzhou municipal hospital, Suzhou
the second hospital of Hebei medcial university, Shijiazhuang
Henan Province Hospital of Traditional Chinese Medicine, Zhengzhou
Jinzhou central hospital, Jinzhou
The First Affiliated Hospital of Zhengzhou University
OTHER