Prevalence of asthma and other allergic conditions in Colombia 2009–2010: a cross-sectional study
Rodolfo J Dennis*, Luis Caraballo, Elizabeth García, María X Rojas, Martín A Rondon, Adriana Pérez, Gustavo Aristizabal, Augusto Peñaranda, Ana M Barragan, Velky Ahumada and Silvia Jimenez