“Mo-Yuan”is a structure entity that the Pre Qin doctors got by the means of anatomization, they drew this conclusion on the basis of morphology.

Examination and experimental study on corneal collagen shield made by centrifugal method;

Emphasizes the application and theories of injectable collagen, collagen sponge hemostatics, corneal collagen shield.

Clinical observation of using collagen membrane with bFGF for the treatment of dental pulp capping;

Clinical study of combination of bone morphogenetic protein complex and collagen membrane in treatment of periodontal tissue defects;

Trebaculectomy with collagen membrane implantation for glaucoma;