P. Ferreira

The Spanish Instrument Protocol: Design and Implementation of a Study to Evaluate Treatment Efficacy Instruments for Spanish‐Speaking Patients with Alzheimer's Disease

L. Thal, M. Sano, M. Grundman, 1997, Alzheimer disease and associated disorders.

Translation and validation for Portuguese (Brazil) specific instrument for assessing quality of life of patients undergoing orthognathic surgery: OQLQ

E. Dias, J. L. Filho, P. Ferreira, 2011 .