%0 Journal Article %T Hypersensitivity pneumonitis due to an ultrasonic humidifier %A Alvarez‐Fernández, J. A. %A Quirce, S. %A Calleja, J. L. %A Cuevas, M. %A Losada, E. %J Allergy %V 53 %N 2 %@ 0105-4538 %D 1998-02-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve