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Hubler SL, Craciun G.Hubler SL, et al. Among authors: craciun g.J Math Chem. 2012 Jun 1;50(6):1458-1483. doi: 10.1007/s10910-012-9983-z.J Math Chem. 2012.PMID: 23024448Free PMC article.
Joshi B, Craciun G.Joshi B, et al. Among authors: craciun g.J Math Biol. 2022 Oct 15;85(5):53. doi: 10.1007/s00285-022-01823-2.J Math Biol. 2022.PMID: 36243796