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Ontko CD, Capozzi ME, Kim MJ, McCollum GW, Penn JS.Ontko CD, et al. Among authors: penn js.Sci Rep. 2021 May 6;11(1):9677. doi: 10.1038/s41598-021-89000-1.Sci Rep. 2021.PMID: 33958662Free PMC article.
Bretz CA, Savage SR, Capozzi ME, Suarez S, Penn JS.Bretz CA, et al. Among authors: penn js.Sci Rep. 2015 Nov 3;5:14963. doi: 10.1038/srep14963.Sci Rep. 2015.PMID: 26527057Free PMC article.
Savage SR, Bretz CA, Penn JS.Savage SR, et al. Among authors: penn js.PLoS One. 2015 Jan 24;10(1):e0116941. doi: 10.1371/journal.pone.0116941. eCollection 2015.PLoS One. 2015.PMID: 25617622Free PMC article.