11,158
Participants
Start Date
January 1, 2018
Primary Completion Date
March 30, 2018
Study Completion Date
May 30, 2018
Sufentanil
Patients were applied sufentanil and midazolam intravenously and topical anesthetized.
The Affiliated Hospital of Guangzhou Medical University, Guangzhou
Guangzhou Institute of Respiratory Disease
OTHER