title: Asthma update. Part I. Mechanisms, pathophysiology, and diagnosis.
mesh_terms: D000367:Age Factors; D001249:Asthma / Q000175:diagnosis / Q000503:physiopathology*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008168:Lung / Q000503:physiopathology*; D012129:Respiratory Function Tests