2Moehring HD,Althausen PL,Lindholm SR.Technique for removal of cannulated screws.J Orthop Trauma,2005,19:280-281.
3llchmann T,Parseh K.Complications at screw removal in slipped capital femoral epiphysis treated by carmulated titanium screws.Arch Orthop Trauma Surg,2006,126:359-363.
4Larsson S,Frieberg S.Complications at extraction of the ASIF epiphysiodesis screws.Acta Orthop Scand,1987,58:483-484.
5Gruber MA,Starkweather KD,Healy WA 3rd,et al.Percutaneons screw removal in slipped upper femoral epiphysis.J Bone Joint Stag (Br),1996,78:137-139.
6Williams RL,Kunzru KM.A new technique for removal of a broken cannulated screw.Injury,1995,26:59-60.
7Wilson ER,Ruoff MJ.Technique for removal of eannulated screws.Orthop Rev,1991,20:807-809.
8Moroni A,Faldini C,Rocca M,et al.Improvement of the bone-screw interface strength with hydmxyapatite-coated and titaniumcoated AO/ ASIF cortical screws.J Pediatr Orthop.2002,16:257-263.