https://peerj.com/articles/175/
DHopf's tagged items 10/01/2013
https://quod.lib.umich.edu/j/jep/3336451.0016.103?view=text;rgn=main
DHopf's tagged items 09/13/2018
https://link.springer.com/article/10.1007%2Fs11192-016-2160-6
https://f1000research.com/articles/8-266/v1
DHopf's tagged items 04/20/2019
https://www.springernature.com/gp/open-research/journals-books/books/the-oa-effect
DHopf's tagged items 11/07/2017
https://link.springer.com/article/10.1007%2Fs11192-020-03734-9
DHopf's tagged items 10/19/2020
https://link.springer.com/article/10.1007%2Fs12109-020-09771-9
DHopf's tagged items 11/25/2020
https://www.emerald.com/insight/content/doi/10.1108/OIR-04-2018-0151/full/html
DHopf's tagged items 03/22/2021
https://arxiv.org/abs/2103.14522v1
DHopf's tagged items 04/03/2021
https://www.sciencedirect.com/science/article/pii/S016787602100101X?via%3Dihub
DHopf's tagged items 04/04/2021
https://journals.lww.com/cur/Fulltext/2021/03000/Assessing_number_and_quality_of_urology_open.10.aspx
DHopf's tagged items 06/12/2021
https://journals.library.ualberta.ca/istl/index.php/istl/article/view/43
DHopf's tagged items 01/15/2021
https://cytojournal.com/impact-of-cytopathology-authors-work-comparative-analysis-based-on-open-access-cytopathology-publications-non-open-access-conventional-publications/
DHopf's tagged items 09/11/2021
https://onlinelibrary.wiley.com/doi/10.1111/dech.12639
DHopf's tagged items 01/29/2021
https://link.springer.com/article/10.1007%2Fs11192-021-04095-7
DHopf's tagged items 07/10/2021
https://onlinelibrary.wiley.com/doi/10.1002/mde.3429
DHopf's tagged items 01/27/2022
http://informationr.net/ir/26-2/paper897.html
DHopf's tagged items 06/15/2021
https://link.springer.com/article/10.1007%2Fs11192-020-03836-4
DHopf's tagged items 02/03/2021
https://direct.mit.edu/rest/article-abstract/103/5/954/97689/The-Impact-of-Open-Access-Mandates-on-Invention?redirectedFrom=fulltext
DHopf's tagged items 11/30/2021
https://www.medrxiv.org/content/10.1101/2020.06.22.20137505v1
DHopf's tagged items 06/25/2020
https://zenodo.org/record/4288917
DHopf's tagged items 11/24/2020
http://www.eurekaselect.com/article/96660
DHopf's tagged items 01/29/2019
http://rev-ib.unam.mx/ib/index.php/ib/article/view/57874
DHopf's tagged items 10/18/2018
https://link.springer.com/article/10.1007%2Fs11192-017-2544-2
DHopf's tagged items 10/10/2017
https://liberquarterly.eu/article/view/10820
DHopf's tagged items 04/05/2016