782
Participants
Start Date
January 31, 2005
Primary Completion Date
December 31, 2008
Study Completion Date
December 31, 2008
Paracetamol
1g qid
Ibuprofen
400mg tid
Paracetamol Placebo
equivalent to 1g qid
Ibuprofen placebo
Equivalent to 400mg tid
Prince of Wales Hospital, Shatin
Hong Kong Academy of Medicine
OTHER
Chinese University of Hong Kong
OTHER