1. Surveillance for occupational asthma—Michigan and New Jersey, 1988–1992;Reilly;MMWR CDC Surveill Summ,1994
2. L'asme bronchiale allergica come mallattia professionale;Introna;Minerva Med,1966
3. Occupational asthma in a national disability survey;Blank;Chest,1987
4. Occupational asthma;Chan-Yeung;N Engl J Med,1995
5. Definition and classification of asthma;Bernstein,1993