AUTHOR=Wu Ling , Chen Liang , Peng Liping , Liu Chun , He Shengyang , Xie Lihua TITLE=Clinical characteristics of Chlamydia psittaci pneumonia and predictors analysis of severe patients: a retrospective observational study JOURNAL=Frontiers in Medicine VOLUME=Volume 12 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1565254 DOI=10.3389/fmed.2025.1565254 ISSN=2296-858X