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KQG041
KQG041
http://dx.doi.org/10.1093/OCCMED/KQG041
Ascertaining the risk of chronic obstructive pulmonary disease in relation to occupation using a case-control design.
P356
Q38484168-5EECAE6D-35AD-4668-A4C7-9BE6621EDA48
P356
KQG041
http://dx.doi.org/10.1093/OCCMED/KQG041