Title:Characteristics and temporal variations of organic and elemental carbon aerosols in a high–altitude, tropical latin american megacity / Características y variaciones temporales de los aerosoles de carbono orgánico y elemental en una megaciudad de América Latina tropical de gran altitud
Title:Litter impacts on scenery and tourism on the Colombian north Caribbean coast / Impactos de la basura sobre el paisaje y el turismo en la costa norte del Caribe colombiano
Title:Effectiveness of a cardiovascular risk management program in the reduction of premature mortality associated to cardiovascular events in the Caribbean region of Colombia