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Tadayasu Y, Sarashina A, Tsuda Y, Tatami S, Friedrich C, Retlich S, Staab A, Takano M.Tadayasu Y, et al. Among authors: friedrich c.J Pharm Pharm Sci. 2013;16(5):708-21. doi: 10.18433/j3s304.J Pharm Pharm Sci. 2013.PMID: 24393553Free article.Clinical Trial.
Graefe-Mody U, Retlich S, Friedrich C.Graefe-Mody U, et al. Among authors: friedrich c.Clin Pharmacokinet. 2012 Jul 1;51(7):411-27. doi: 10.2165/11630900-000000000-00000.Clin Pharmacokinet. 2012.PMID: 22568694Review.
Sarashina A, Friedrich C, Crowe S, Patel S, Graefe-Mody U, Hayashi N, Horie Y.Sarashina A, et al. Among authors: friedrich c.J Diabetes Investig. 2016 Sep;7(5):744-50. doi: 10.1111/jdi.12482. Epub 2016 Mar 2.J Diabetes Investig. 2016.PMID: 27180969Free PMC article.
Graefe-Mody U, Friedrich C, Port A, Ring A, Retlich S, Heise T, Halabi A, Woerle HJ.Graefe-Mody U, et al. Among authors: friedrich c.Diabetes Obes Metab. 2011 Oct;13(10):939-46. doi: 10.1111/j.1463-1326.2011.01458.x.Diabetes Obes Metab. 2011.PMID: 21672124
Friedrich C, Jungnik A, Retlich S, Ring A, Meinicke T.Friedrich C, et al.Drug Res (Stuttg). 2014 May;64(5):269-75. doi: 10.1055/s-0033-1357144. Epub 2013 Oct 23.Drug Res (Stuttg). 2014.PMID: 24154935Clinical Trial.
Gross JL, Rogers J, Polhamus D, Gillespie W, Friedrich C, Gong Y, Monz BU, Patel S, Staab A, Retlich S.Gross JL, et al. Among authors: friedrich c.BMJ Open. 2013 Mar 5;3(3):e001844. doi: 10.1136/bmjopen-2012-001844.BMJ Open. 2013.PMID: 23468467Free PMC article.