Iris Contreras-Hernández , Joaquín F Mould-Quevedo , Rubén Torres-González , María Victoria Goycochea-Robles , Reyna Lizette Pacheco-Domínguez , Sergio Sánchez-García , Juan Manuel Mejía-Aranguré and Juan Garduño-Espinosa
Cost Effectiveness and Resource Allocation 2008, 6:21doi:10.1186/1478-7547-6-21