Figure 1
From: Study on Occupational Allergy Risks (SOLAR II) in Germany: Design and methods

Flow-chart of the study. * BHR = examination of bronchial hyperresponsiveness. ** FeNO = measurement of exhaled nitric oxide.
From: Study on Occupational Allergy Risks (SOLAR II) in Germany: Design and methods
Flow-chart of the study. * BHR = examination of bronchial hyperresponsiveness. ** FeNO = measurement of exhaled nitric oxide.