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\bibitem{Privat-Maldonado_etal2019} {\textquotedblleft}\textit{Modifying the Tumour Microenvironment: Challenges and Future Perspectives for Anticancer Plasma Treatments}{\textquotedblright}. Privat-Maldonado A, Bengtson C, Razzokov J, Smits E, Bogaerts A, Cancers \textbf{11}, 1920 (2019).   http://doi.org/10.3390/cancers11121920

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