Tsim cov txheej txheem posterior spinal screw-rod system, locking ua ke fusion tawb, hlau interlocking intramedullary ntsia thawv system, kev ua si nawv tshuaj series cov khoom, thiab kev sib koom ua ke kev txhawb nqa sab nraud.
Post lub sij hawm: Jun-28-2011