2Jolly SS, Amlani S, Hamon M, Yusuf S, Mehta SR Radial versus femoral access for coronary angiography or intervention and the impact on major bleeding and ischemic event~ a systematic review and rneta-analysis of randomized trials Am Heart J 2009,157:132-140.
3Agostoni P, Biondi-Zoccai GG, de Benedictis ML, et al. Radial versus femoral approach for percutaneous coronary diagnostic and interventional procedures: systematic overview and meta-analysis of randomized trials[J]. J Am Coil Cardiol 2004;44:349-356.
4Achenbach S, Ropers D, Kallert L, et al. Transradial versus transfemoral approach for coronary angiography and intervention in patients above 75 years of age[J]. Catheter Cardiovasc Interv. 2008.72(5 ): 629-635.