@article{topping_scarisbrick_luczynska_clarke_seaton_1985, title={Clinical and immunological reactions to Aspergillus niger among workers at a biotechnology plant.}, volume={42}, DOI={10.1136/oem.42.5.312}, publisher={BMJ}, author={Topping and Scarisbrick and Luczynska and Clarke and Seaton}, year={1985}, month={May} }