Cite
HARVARD Citation
Crapo, J. et al. (2021). FOOTPRINTS study protocol: rationale and methodology of a 3-year longitudinal observational study to phenotype patients with COPD. BMJ open. 11 (3), p. . [Online].
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Crapo, J. et al. (2021). FOOTPRINTS study protocol: rationale and methodology of a 3-year longitudinal observational study to phenotype patients with COPD. BMJ open. 11 (3), p. . [Online].