Fabrication of Poly(lactic acid) Multilayer by Superimposing Free-standing Films for Controlled Drug Delivery
Li Yan, Yang Sheng, He Guili, Jiao Yonghua, Fu Yu, Sun Ting
Acta Chimica Sinica . 2014, (10): 1110 -1114 .  DOI: 10.6023/A14080575