342
Participants
Start Date
April 30, 1999
Study Completion Date
September 30, 2012
13-cis Retino Acid
National Taiwan University Hospital, Taipei
National Taiwan University Hospital
OTHER
Changhua Christian Hospital
OTHER
China Medical University Hospital
OTHER
Buddhist Tzu Chi General Hospital
OTHER
Taichung Veterans General Hospital
OTHER
Mackay Memorial Hospital
OTHER
Chang Gung Memorial Hospital
OTHER
Koo Foundation Sun Yat-Sen Cancer Center
OTHER
Chi Mei Medical Hospital
OTHER
National Cheng-Kung University Hospital
OTHER
National Health Research Institutes, Taiwan
OTHER