Document is current

Any future updates will be listed below

Comparative effectiveness of pneumococcal vaccination with PPV23 and PCV13 in COPD patients over a 5-year follow-up cohort study

Crossref DOI link: https://doi.org/10.1038/s41598-021-95129-w

Published Online: 2021-08-05

Update policy: https://doi.org/10.1007/springer_crossmark_policy

About CrossMark