An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Borghini F, Grimalt JO, Sanchez-Hernandez JC, Barra R, García CJ, Focardi S.Borghini F, et al. Among authors: barra r.Environ Pollut. 2005 Jul;136(2):253-66. doi: 10.1016/j.envpol.2005.01.007.Environ Pollut. 2005.PMID: 15840533
Fossi MC, Focardi S, Leonzio C, Gavilán JF, Barra R, Parra O.Fossi MC, et al. Among authors: barra r.Bull Environ Contam Toxicol. 1995 Jul;55(1):36-42. doi: 10.1007/BF00212386.Bull Environ Contam Toxicol. 1995.PMID: 7663090No abstract available.
Focardi S, Sanchez-Hernandez JC, Barra R, Gavilan JF, Parra O.Focardi S, et al. Among authors: barra r.Bull Environ Contam Toxicol. 2000 Aug;65(2):175-82. doi: 10.1007/s0012800112.Bull Environ Contam Toxicol. 2000.PMID: 10885994No abstract available.
Casini S, Fossi MC, Gavilan JF, Barra R, Parra O, Leonzio C, Focardi S.Casini S, et al. Among authors: barra r.Arch Environ Contam Toxicol. 2001 Jul;41(1):65-72. doi: 10.1007/s002440010221.Arch Environ Contam Toxicol. 2001.PMID: 11385591
Gavilán JF, Barra R, Fossi MC, Casini S, Salinas G, Parra O, Focardi S.Gavilán JF, et al. Among authors: barra r.Bull Environ Contam Toxicol. 2001 Apr;66(4):476-83. doi: 10.1007/s001280031.Bull Environ Contam Toxicol. 2001.PMID: 11443310No abstract available.
Barra R, Sanchez-Hernandez JC, Orrego R, Parra O, Gavilan JF.Barra R, et al.Chemosphere. 2001 Nov;45(4-5):439-44. doi: 10.1016/s0045-6535(01)00041-8.Chemosphere. 2001.PMID: 11680739
Barra R, Cisternas M, Urrutia R, Pozo K, Pacheco P, Parra O, Focardi S.Barra R, et al.Chemosphere. 2001 Nov;45(6-7):749-57. doi: 10.1016/s0045-6535(01)00146-1.Chemosphere. 2001.PMID: 11695593
Grimalt JO, Borghini F, Sanchez-Hernandez JC, Barra R, García CJ, Focardi S.Grimalt JO, et al. Among authors: barra r.Environ Sci Technol. 2004 Oct 15;38(20):5386-92. doi: 10.1021/es040051m.Environ Sci Technol. 2004.PMID: 15543741
Pozo K, Harner T, Shoeib M, Urrutia R, Barra R, Parra O, Focardi S.Pozo K, et al. Among authors: barra r.Environ Sci Technol. 2004 Dec 15;38(24):6529-37. doi: 10.1021/es049065i.Environ Sci Technol. 2004.PMID: 15669309