bibliographicCitation |
Rafati A, Davies MC, Shard AG, Hutton S, Mishra G, Alexander MR. Quantitative XPS depth profiling of codeine loaded poly(l-lactic acid) films using a coronene ion sputter source. Journal of Controlled Release. 2009 Aug;138(1):40–4. doi: 10.1016/j.jconrel.2009.05.005. |