Title:El tipo scratch-digger en dos armadillos (Dasypodidae, Xenarthra): ontogenia esqueletaria de las manos y variaciones de dígitos / The scratch-digger type in two armadillos (Dasypodidae, Xenarthra): ontogeny of the hand skeleton and digit variability
Title:Integration model for health services in the colombian social security system Modelo de integración de servicios de salud del sistema / Integration model for health services in the colombian social security system