Ribeiro, M. A. silva, Vedovato, T. G., Lopes, M. H. B. de M., Monteiro, M. I., & Guirardello, E. de B. (2013). Validation studies in nursing: integrative review. Rev Rene, 14(1). Retrieved from http://www.periodicos.ufc.br/rene/article/view/3360