About WANG H
About Peking Univ., Beijing, CHN
About DONG J H
About Peking Univ., Beijing, CHN
About QIU K Y
About Peking Univ., Beijing, CHN
About GU Z W
About National Res. Inst. Family Planning, Beijing, CHN
About Journal of Polymer Science. Part A. Polymer Chemistry
About copolymerization
About levonorgestrel
About Copolymerization
About 1,4-Dioxan-2-one
About Trimethylene carbonate
About ドラッグデリバリーシステム
About ジオキサン