Specific inhalation challenge with wheat flour in workers with suspected baker's asthma

Objective: The aim of this study was to eval- uate the outcome of the specific inhalation challenge test (SIC) in 160 subjects with suspected baker's asthma and to assess its relation to total flour dust levels and to personal characteristics such as specific skin sensitisa- tion, non-specific bronchial hyper-responsiveness (NSBH) and atopy. Methods: We investigated the out- come of SIC tests performed with wheat flour in six Italian...