@article {6346, title = {Comparison between the Visual Analog Scale and the Numerical Rating Scale in the perception of esthetics and pain}, journal = {International Orthodontics}, volume = {15}, year = {2017}, note = {Export Date: 19 March 2018}, month = {2017}, pages = {543 - 560}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85034592969\&doi=10.1016\%2fj.ortho.2017.09.027\&partnerID=40\&md5=a6e830d200067bd75c3b392e2fef3b98}, author = {Rosas, S. and Pa{\c c}o, M. and Lemos, C. and Pinho, T.} } @article {6341, title = {Comparison between the Visual Analog Scale and the Numerical Rating Scale in the perception of esthetics and pain}, journal = {International Orthodontics}, volume = {15}, year = {2017}, note = {Export Date: 19 March 2018}, month = {2017}, pages = {543 - 560}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85034421754\&doi=10.1016\%2fj.ortho.2017.09.028\&partnerID=40\&md5=c99219196da8d06d25313343a235757e}, author = {Rosas, S. and Pa{\c c}o, M. and Lemos, C. and Pinho, T.} }