AUTHOR=Zhang Yating , Li Anqi , Xu Sumei , Liu Haoge TITLE=Knowledge mapping of autophagy in chronic obstructive pulmonary disease from 2004 to 2024: a bibliometric analysis JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1514686 DOI=10.3389/fmed.2025.1514686 ISSN=2296-858X