Cite web |url=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6699798/%7Ctitle= Ioannidis, John P. A.; Baas, Jeroen; Klavans, Richard; Boyack, Kevin W. (2019). "A standardized Cite web metrics author database annotated for scientific field". PLOS Biology. 17 (8): e3000384}}