Hsu, C.-.C.C.-.C.HsuChao, C.-K.C.-K.ChaoWang, J.-L.J.-L.WangHou, S.-M.S.-M.HouTsai, Y.-T.Y.-T.TsaiLin, J.J.LinJAW-LIN WANG2020-02-262020-02-262005https://scholars.lib.ntu.edu.tw/handle/123456789/464304Increase of pullout strength of spinal pedicle screws with conical core: Biomechanical tests and finite element analysesjournal article10.1016/j.orthres.2004.11.0022-s2.0-21844480606https://www.scopus.com/inward/record.uri?eid=2-s2.0-21844480606&doi=10.1016%2fj.orthres.2004.11.002&partnerID=40&md5=ad7849db075a83d246ce99aee52ad683