title: Diagnostic tests in ragweed-allergic asthma. A comparison of direct skin tests, leukocyte histamine release, and quantitative bronchial challenge.
mesh_terms: D000336:Aerosols; D001249:Asthma / Q000175:diagnosis* / Q000276:immunology; D004305:Dose-Response Relationship, Drug; D005260:Female; D006636:Histamine Release; D006801:Humans; D007117:Immunization, Secondary; D008297:Male; D010936:Plant Extracts; D011058:Pollen; D012130:Respiratory Hypersensitivity / Q000175:diagnosis*; D012882:Skin Tests
chemical_list: D000336:Aerosols; D010936:Plant Extracts