title: Intrinsic and extrinsic asthma.
authors.forename: K
authors.initials: K
authors.lastname: Zeibecoglou
authors.forename: N M
authors.initials: NM
authors.lastname: Siafakas
mesh_terms: D000328:Adult; D017677:Age Distribution; D000368:Aged; D000485:Allergens / Q000009:adverse effects*; D001249:Asthma / Q000145:classification* / Q000175:diagnosis / Q000453:epidemiology / Q000276:immunology*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D006967:Hypersensitivity / Q000276:immunology*; D015994:Incidence; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D017678:Sex Distribution; D009626:Terminology as Topic
chemical_list: D000485:Allergens