Cite
HARVARD Citation
Feinstein, L. et al. (2020). Validation of Questionnaire-based Case Definitions for Chronic Obstructive Pulmonary Disease. Epidemiology. 31 (3), p. . [Online].
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Feinstein, L. et al. (2020). Validation of Questionnaire-based Case Definitions for Chronic Obstructive Pulmonary Disease. Epidemiology. 31 (3), p. . [Online].