RT Journal Article T1 Geographic distribution of COPD prevalence in the world displayed by Geographic Information System maps. A1 Blanco, Ignacio A1 Diego, Isidro A1 Bueno, Patricia A1 Casas-Maldonado, Francisco A1 Miravitlles, Marc YR 2019 FD 2019-07-18 LK http://hdl.handle.net/10668/13849 UL http://hdl.handle.net/10668/13849 LA en DS RISalud RD Apr 18, 2025