K. Lotfy, S. M. Khalil, and H. A. El-Raheem, “Inactivation by helium cold atmospheric pressure plasma for Escherichia coli and Staphylococcus aureus”, J Theor Appl phys, vol. 14, no. 1, Nov. 2023, doi: 10.1007/s40094-019-00362-4.