Publisher PDF posted as allowed by the publisher's author rights policy at http://www.medknow.com/policies.asp?sj=chinese+medical+journal&sin=Jonmoqdrq&subject=&index=.
Except where otherwise noted, this item's license is described as Publisher PDF posted as allowed by the publisher's author rights policy at http://www.medknow.com/policies.asp?sj=chinese+medical+journal&sin=Jonmoqdrq&subject=&index=.