9lill H,Hepp P,Komer J,et al. Proximal humeral fractures:how stiff should an implant be, A comparative mechanicalstudy with new implants in human specimens [ J ] , ArchOrthop Trauma Surg,2003,123(2) :74 - 81.
10Coleman EA,Boult CE. Improving the quality of transitional care forpersons with complex care needs [ J ]. J Am Geriatr SOC,2003,51(4):556 -557.