?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Ryan&rft.aufirst=FS&rft.au=Ryan%2C+FS&rft.title=Psychological+aspects+of+dentofacial+discrepancy+and+orthognathic+treatment&rft.degree=Doctoral