A novel dense CO(2) supercritical fluid technology for the development of microparticulate delivery systems containing ketoprofen.
Eur J Pharm Biopharm. 2012 Nov;82(3):491-7. doi: 10.1016/j.ejpb.2012.08.003. Epub 2012 Aug 23
www.ncbi.nlm.nih.gov/pubmed/22940572