Table 1

 Immunological findings and specific bronchial challenges

Enzymes at place of workSkin prick test (size, mm)RAST % bindingChallenge substanceBronchial response
nd, not done.
Case 1Cellulase625CellulaseDual
Protease48
Amylase67
Case 2Lipase1016LipaseDual
Protease723
Amylase762
Cellulase5nd
Case 3Lipase638LipaseDual
Protease00.9
Amylasend0.6
Cellulase01.3