title: [Determinants of health care utilization in Costa Rica].
authors.affiliation: Dirección Compra de Servicios de Salud, Caja Costarricense de Seguro Social, San José, Costa Rica. mmoreras@ccss.sa.cr
authors.forename: Melvin
authors.initials: M
authors.lastname: Morera Salas
authors.forename: Amada
authors.initials: A
authors.lastname: Aparicio Llanos