Heaton, R W Cold air as a bronchial provocation technique. Reproducibility and comparison with histamine and methacholine inhalation. [electronic resource] - Chest Dec 1984 - 810-4 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0012-3692 Standard No.: 10.1378/chest.86.6.810 doi Subjects--Topical Terms: AdolescentAdultAsthma--diagnosisBronchial Provocation TestsCold TemperatureFemaleHistamineHumansLung--physiopathologyMaleMethacholine ChlorideMethacholine CompoundsMiddle Aged