(Q46506439)
Statements
1 reference
The occupational burden of chronic obstructive pulmonary disease (English)
P. P. Katz
M. D. Eisner
E. Yelin
L. Trupin
G. Earnest
M. San Pedro
1 September 2003
1 reference
22
1 reference
3
1 reference
462-469
1 reference
Identifiers
1 reference