Anatomical variations of the marginal mandibular nerve Arthur Paredes Gatti; Matheus Trovão Ribeiro; Flávio Hojaij;

Revision knee arthroplasty using a modular system manufactured in Brazil. Clinical and radiographic results with a mean nine-year follow-up Francisco Fontes Cintra; Mauricio Etchebehere; Eduardo Rached; Giancarlo Cavenaghi; Paulo Eduardo Dias Rahal; Rodrigo Gonçalves Pagnano;

Intraoperative changes of surgical approach and a second surgery after percutaneous endoscopic surgery for lumbar spinal stenosis LianSong Lu; ZhenShan Yuan; HaoJie Li; ShaoHua Sun;