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\bibitem{Bekeschus_etal2019} {\textquotedblleft}\textit{Risk Assessment of kINPen Plasma Treatment of Four Human Pancreatic Cancer Cell Lines with Respect to Metastasis}{\textquotedblright}. Bekeschus S, Freund E, Spadola C, Privat-Maldonado A, Hackbarth C, Bogaerts A, Schmidt A, Wende K, Weltmann K-D, von Woedtke T, Heidecke C-D, Partecke L-I, K{\"a}ding A, Cancers \textbf{11}, 1237 (2019).   http://doi.org/10.3390/cancers11091237

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