Grammes, N., Millenaar, D., Fehlmann, T., Kern, F., Böhm, M., Mahfoud, F., & Keller, A. (2020). Research Output and International Cooperation Among Countries During the COVID-19 Pandemic: Scientometric Analysis. J Med Internet Res.

Grammes, Nadja, Dominic Millenaar, Tobias Fehlmann, Fabian Kern, Michael Böhm, Felix Mahfoud, ja Andreas Keller. "Research Output and International Cooperation Among Countries During the COVID-19 Pandemic: Scientometric Analysis." J Med Internet Res 2020.

Grammes, Nadja, et al. "Research Output and International Cooperation Among Countries During the COVID-19 Pandemic: Scientometric Analysis." J Med Internet Res 2020.