Design and evaluation of nano-hydroxyapatite/poly(vinyl alcohol) hydrogels coated with poly(lactic-co-glycolic acid)/nano-hydroxyapatite/poly(vinyl alcohol) scaffolds for cartilage repair. - Su, Weiping; Hu, Yihe; Zeng, Min; Li, Mingqing; Lin, Shaoru; Zhou, Yangying; Xie, Jie (Journal of Orthopaedic Surgery & Research, 2019)