supported by the National Key Technologies R&D Program of China(No.2006BA103B04);the Natural Key Scientific and Technological Project of Chongqing(No.CSTC 2008AB0027)
Integrating poly(lactic acid) (PLA), glycolic acid (GA) and ethylene glycol (EG) will hopefully result in a novel copolymer that combines such advantages as fastened and controllable release rate and improved ...