2Ettorre G,Weber M, Schaaf H,et al.Standards for digital photography in cranio-maxillo-facial surgery - Part I: Basic views and guidelines[J].J Craniomaxillofac Surg,2006,34(2): 65-73.
10Ettorre G, Weber M, Schaaf H, et al. Standards for digital pho- tography in cranio-maxillo-facial surgery-Part I: Basic views and guidelines [ J ]. J Craniomaxillofac Surg, 2006,34 (2) :65-73.