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KU Leuven is currently investigating some 20 papers from the period 1999 to 2013 that would contain fraudulent images. Two papers have recently been withdrawn, one has been officially corrected. The investigation of the Committee for Academic Integrity is in a final phase. The articles that are under discussion come from the biomedical sciences. Three Leuven professors are a co-author of several indicated papers. In many cases, this was done in collaboration with colleagues from foreign institutions.

On September 24, 2017 the Dutch newspaper de Volkskrant reported on an investigation into self-plagiarism (zelfplagiaat) that was conducted by a Nijmengen research group. The sociologist of science and his PhD student analysed 922 publications by Dutch researchers from recent years. In economics, 14 % of the papers contained text from previous publications of the author(s), in psychology the figure was 5 %. They even found a duplicate article republished with just one small change, and two highly similar articles by the same author in the same issue of a journal. They also found that authors who publish more papers are more likely to reuse text.