AUTHOR=Zhuang Hai-Hui , Chen Qi-Hua , Wang Wei , Qu Qiang , Xu Wei-Xin , Hu Qin , Wu Xiao-Li , Chen Ying , Wan Qing , Xu Tian-Tian , Long Wen-Ming , Luo Yue , Zhang Hai-Nan , Qu Jian TITLE=The efficacy of polymyxin B in treating stroke-associated pneumonia with carbapenem-resistant Gram-negative bacteria infections: a multicenter real-world study using propensity score matching JOURNAL=Frontiers in Pharmacology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2025.1413563 DOI=10.3389/fphar.2025.1413563 ISSN=1663-9812