title: More implications of reactivity characteristics to methacholine and histamine in asthmatic patients.
mesh_terms: D000293:Adolescent; D000328:Adult; D001249:Asthma / Q000175:diagnosis / Q000276:immunology*; D001985:Bronchial Provocation Tests; D004306:Dose-Response Relationship, Immunologic; D006632:Histamine / Q000276:immunology*; D006801:Humans; D008688:Methacholine Compounds / Q000276:immunology*
chemical_list: D008688:Methacholine Compounds; D006632:Histamine