Purpose:To compare the efficacy and safety of recombinant human bone morphogenetic protein (rhBMP) and iliac crest autograft in the fusion treatment of lumbar s
Background Previous studies showed that the prognostic factors for superficial transitional cell carcinoma of the bladder varied with the findings of different
Pediatric cardiac surgery in China has made great progress since the first successful open heart operation for correction of ventricular septal defect (VSD) wi