Secondary |
Zober |
2002 |
Germany |
HMW |
Biological enzyme |
Phytase |
Research and development workers |
Sensitization and symptoms |
Reduction in exposure, extensive control measures (Limitation: Control measures not specified in detail) |
Limitation: no report of participation rate |
After implementation of control measures, all subjects (n=32) with diagnoses of conjunctivitis, rhinitis, or bronchitis reported free of respiratory symptoms. Limitation: no comparison group. |