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Hintzen F, Laffleur F, Sakloetsakun D, Leithner K, Bernkop-Schnürch A.Hintzen F, et al. Among authors: laffleur f.Drug Dev Ind Pharm. 2012 Dec;38(12):1479-85. doi: 10.3109/03639045.2011.653813. Epub 2012 Feb 11.Drug Dev Ind Pharm. 2012.PMID: 22324362