Greussing E, Kuballa S, Taddicken M, Schulze M, Mielke C, Haux R. Open Access publishing around the globe. A two-tier study on the perspectives of international medical informatics researchers on a barrier-free communication of science. (OBS*) [Internet]. 2022 Mar. 28 [cited 2024 Nov. 24];16(1). Available from: https://obs.obercom.pt/index.php/obs/article/view/1877