Lamellar keratoplasty using acellular porcine corneal stroma for the treatment of corneal ulcers - Hu, Yiming; Zhang, Lan; Wu, Lei; Zhu, Yao; Wu, Li; Li, Chenye; Ruan, Youyang; Hu, Yunwei; Wang, Feifei; Lin, Zhirong; Jin, Qifang (Frontiers in Medicine, 2025)