140
Participants
Start Date
June 30, 2011
Primary Completion Date
February 29, 2012
Study Completion Date
February 29, 2012
Meperidine
intramuscular, 25 mg, 5 to 10 minutes before EGD
normal saline
25 ml of normal saline, intramuscular, 5 to 10 minutes before EGD
Dalin Tzu Chi General Hospital, Chiayi City
Dalin Tzu Chi General Hospital
OTHER