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\bibitem{Kang_etal2019} {\textquotedblleft}\textit{Effects of a Non-Thermal Atmospheric Pressure Plasma Jet with Different Gas Sources and Modes of Treatment on the Fate of Human Mesenchymal Stem Cells}{\textquotedblright}. Kang T-Y, Kwon J-S, Kumar N, Choi E, Kim K-M, Applied Sciences \textbf{9}, 4819 (2019).   http://doi.org/10.3390/app9224819

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