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Oehmen A, Carvalho G, Freitas F, Reis MA.Oehmen A, et al. Among authors: freitas f.Water Sci Technol. 2010;61(8):2061-8. doi: 10.2166/wst.2010.976.Water Sci Technol. 2010.PMID: 20389004
Cruz M, Freitas F, Torres CA, Reis MA, Alves VD.Cruz M, et al. Among authors: freitas f.Int J Biol Macromol. 2011 May 1;48(4):695-9. doi: 10.1016/j.ijbiomac.2011.02.012. Epub 2011 Mar 3.Int J Biol Macromol. 2011.PMID: 21376748
Torres CA, Marques R, Antunes S, Alves VD, Sousa I, Ramos AM, Oliveira R, Freitas F, Reis MA.Torres CA, et al. Among authors: freitas f.J Biotechnol. 2011 Dec 20;156(4):261-7. doi: 10.1016/j.jbiotec.2011.06.024. Epub 2011 Jun 28.J Biotechnol. 2011.PMID: 21736905