case_images: PMC4207589_01
case_images: Occupational challenge test with angora wool.
case_images: CRII2012-358271.001.jpg
case_images: PMC4207589_01_CRII2012-358271.001.jpg
case_images: fig1
case_images: After the test with a control substance (talc powder) OCT was carried out by tipping angora wool into a 8 m3 ventilated room and assessing FEV1 for 8 hours (Figure 1).