Magalhães, M. dos R. A., Crnkovic, L. H. and Moretti, S. L. do A. (2010) “The importance of the relationship marketing for the improvement of the attendance and the competitive advantage in private medical services”, ReMark - Revista Brasileira de Marketing, 8(1), pp. 70–92. doi: 10.5585/remark.v8i1.2127.