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Sigmund, Gerd, Josef Dib, Laura Tretzel, Thomas Piper, Christina Bosse, Wilhelm Schänzer, and Mario Thevis. "Monitoring 2-phenylethanamine and 2-(3-hydroxyphenyl)acetamide Sulfate in Doping Controls." Drug Testing and Analysis 7, no. 11/12 (2015): S. 1057-1062.

Sigmund, Gerd, et al. "Monitoring 2-phenylethanamine and 2-(3-hydroxyphenyl)acetamide Sulfate in Doping Controls." Drug Testing and Analysis 7.11/12 (2015): S. 1057-1062.