Department;
of;
General;
Surgery,;
Beijing;
Hospital,;
Beijing;
100730,;
China;
Department;
of;
General;
Surgery,;
Beijing;
Friendship;
Hospital,;
Beijing;
100050,;
China;
Department;
of;
General;
Surgery,;
China-Japan;
Friendship;
Hospital,;
Beijing;
100029,;
China;
Department;
of;
General;
Surgery,;
Peking;
Union;
Medical;
College;
Hospital,;
Beijing;
100730,;
China;
Department;
of;
General;
Surgery,;
First;
Affiliated;
Hospital;
of;
Peking;
University,;
Beijing;
100034,;
China;
Department;
of;
Gastrointestinal;
Surgery,;
Peking;
University;
People's;
Hospital,;
Beijing;
100044,;
China;
Department;
of;
General;
Surgery,;
Third;
Affiliated;
Hospital;
of;
Peking;
University,;
Beijing;
100083,;
China;
Department;
of;
Gastrointestinal;
Surgery,;
Chinese;
PLA;
General;
Hospital,;
Beijing;
100853,;
China;
Department;
of;
General;
Surgery,;
Beijing;
Tongren;
Hospital,;
Bejing;
100730,;
China;
Center;
for;
Clinical;
Evaluation;
of;
Drugs,;
Yijishan,;
Anhui;
241000,;
China;
临床试验; 腹部手术; 多中心; 止血; 血凝; 蝮蛇; 凝血; 安全;