Müller-Wening, D [Comparison of the protective action of 2 respiratory protective devices in farmers with farmer's lung]. [electronic resource] - Pneumologie (Stuttgart, Germany) May 1990 - 781-6 p. digital Publication Type: Clinical Trial; Comparative Study; Controlled Clinical Trial; English Abstract; Journal Article ISSN: 0934-8387 Subjects--Topical Terms: Bronchial Provocation TestsFarmer's Lung--diagnosisHumansProtective DevicesRespiratory Function TestsRespiratory Protective Devices