Chunmeng Fu, Cunyuan Luan, Huabo Liu, Wenfei Wang, Xia Zhou, Yuanfang Jia, Bing Ding, Lei Zhang, Li Yuan, Zejun Niu. "An ultrasound-based artificial intelligence framework for difficult airway prediction: A two-model, three-step decision framework." PLoS ONE, 2026. doi:10.1371/journal.pone.0342339