It is shown that measuring the high energy hadrons in air shower cores at high altitudes(like Yangbajing) can provide some new observables which are sensitive to the cosmic ray composition at the knee region.

Arthroscopic management for osteoarthritis of the knee joint;

Therapeutic effect of pill of Bergenia scopulosa T. P. Wang on osteoarthritis of knee joint and Comparative study;

Objective To investigate the effects of functional exercise on the functional recovery of the patients with osteoarthritis of knee joint.

A case of patellofemoral lateral subluxation associated with tethered patellar syndrome after total knee arthroplasty;

Unicompartmental knee arthroplasty for severe osteoarthritis of knee in single compartment;