A forced retraction will generally (but not always) point to something seriously wrong with a research output/project, so it is essential they don’t result in a distortion of knowledge and practice. This recent journal paper suggests a sensible approach.
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Faggion, C. M., Jr. “More detailed guidance on the inclusion/exclusion of retracted articles in systematic reviews is needed.” Journal of Clinical Epidemiology. https://doi.org/10.1016/j.jclinepi.2019.07.006
Publisher: https://www.jclinepi.com/article/S0895-4356(19)30573-6/abstract