Prevalence of Asthma, Rhinitis and Respiratory Symptoms Prevalence of Asthma, Rhinitis and Respiratory Symptoms

Which factors may be implicated in the changes in prevalence noted for respiratory disorders and symptoms over a 20-year period?BMC Pulmonary Medicine
Source: Medscape Allergy Headlines - Category: Allergy & Immunology Tags: Pulmonary Medicine Journal Article Source Type: news