Barra C, Torres M E, Vásquez-Parraga AZ. Training and history of patient loyalty in the context of private medical services. Estud. adm. [Internet]. 2011 Dec. 31 [cited 2024 May 9];18(2):49-78. Available from: https://estudiosdeadministracion.uchile.cl/index.php/EDA/article/view/56377