title: Surgical clinical trials--need for international collaboration.
authors: Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai 200433, China.
authors: Han
authors: H
authors: Zhang
authors: Tian
authors: T
authors: Yang
authors: Meng-Chao
authors: MC
authors: Wu
mesh_terms: D035843:Biomedical Research / Q000592:standards*; D013502:General Surgery / Q000592:standards*; D006801:Humans; D007391:International Cooperation