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Description
Xanthine oxidase activity in bronchoalveolar lavage fluid from patients with chronic obstructive pulmonary disease

The choice of paper you use depends on your preference and the type of smoking experience you want to have

In addition, covariates integrated into the analyses may exacerbate potential bias and exert influence on the observed results

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Ertel A, Eng R, Smith SM
doi: 10.1007/978-3-540-69248-5_7
