Development of a Long-Term Drug Delivery System with Levonorgestrel-Loaded Chitosan Microspheres Embedded in Poly(vinyl alcohol) Hydrogel

1. Long, J.
2. Etxeberria, A.E.
3. Kornelsen, C.
4. Nand, A.V.
5. Ray, S.
6. Bunt, C.R.
7. Seyfoddin, A.