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Barker SA, He R, Craig DQ.Barker SA, et al.J Pharm Sci. 2001 Feb;90(2):157-64. doi: 10.1002/1520-6017(200102)90:2<157::aid-jps6>3.0.co;2-c.J Pharm Sci. 2001.PMID: 11169532
Vardakou M, Mercuri A, Barker SA, Craig DQ, Faulks RM, Wickham MS.Vardakou M, et al. Among authors: barker sa.AAPS PharmSciTech. 2011 Jun;12(2):620-6. doi: 10.1208/s12249-011-9616-z. Epub 2011 May 10.AAPS PharmSciTech. 2011.PMID: 21557037Free PMC article.No abstract available.