PRS6 direct medical costs of moderate to severe copd in a colombian cohort
Autor
Celis-Preciado, Carlos Andrés
Cañas-Arboleda, A
Rodriguez, Nelcy
Quitian Reyes, Hoover
Avendaño, V.
Rodríguez, P.
García, O. M.
Galindo, L.
Gonzalez Rangel, A.