Hypoxia-responsive hybrid nanoparticles loaded with fingolimod and colistin against multidrug-resistant Klebsiella pneumoniae with mature biofilm. - Liu, Mengting; Liu, Xinrui; Zhang, Tengli; Wang, Yuanqiang; Yao, Hong; Liu, Xiwang; Fang, Zhiguo; Yu, Yinglan; Luo, Lei (Asian Journal of Pharmaceutical Sciences, 2025)