1. Prevalence of asthma in a tropical city of Colombia;Caraballo;Ann Allergy,1992
2. Sensitization to mite allergens and acute asthma in a tropical environment;Caraballo;J Invest Allergol Clin Immunol,1998
3. Asthma mortality in Colombia;Vergara;Ann Allergy Asthma Immunol,1998
4. Evidence for increase of asthma worldwide;Woolcock,1997
5. Workshop Report: Global Initiative for Asthma;Global Strategy for Asthma Management and Prevention, NHLBI/WHO,1995