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International Journal of Pharmaceutics Volume 102, Issues 1-3, 7 February 1994, Pages 201-206
Chemical stability of polymyxin B in aqueous solution
R.B. Taylor, R.M.E. Richards, A.S. Low and L. Hardie
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http://dx.doi.org/10.1016/0378-5173(94)90056-62)
Journal of Pharmaceutical and Biomedical Analysis Volume 29, Issues 1-2, 20 June 2002, Pages 203-212
Study of the stability of polymyxins B1, E1 and E2 in aqueous solution using liquid chromatography and mass spectrometry
J. A. Orwa, C. Govaerts, K. Gevers, E. Roets, A. Van Schepdael and J. Hoogmartens
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http://dx.doi.org/10.1016/S0731-7085(02)00016-X