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.
Lock GA, Helfer VE, Dias BB, Barreto F, Dalla Costa T, de Araújo BV.Lock GA, et al. Among authors: helfer ve.Microb Pathog. 2025 Jan;198:107092. doi: 10.1016/j.micpath.2024.107092. Epub 2024 Nov 6.Microb Pathog. 2025.PMID: 39515546
Lock GA, Helfer VE, Dias BB, Torres BGS, De Araújo BV, Dalla Costa T.Lock GA, et al. Among authors: helfer ve.Eur J Pharm Sci. 2023 Oct 1;189:106546. doi: 10.1016/j.ejps.2023.106546. Epub 2023 Jul 29.Eur J Pharm Sci. 2023.PMID: 37517670Free article.
Dias BB, Carreño F, Helfer VE, Garzella PMB, de Lima DMF, Barreto F, de Araújo BV, Dalla Costa T.Dias BB, et al. Among authors: helfer ve.Pharmaceutics. 2022 Jun 11;14(6):1237. doi: 10.3390/pharmaceutics14061237.Pharmaceutics. 2022.PMID: 35745809Free PMC article.
Helfer VE, Zavascki AP, Zeitlinger M, de Araújo BV, Dalla Costa T.Helfer VE, et al.Antimicrob Agents Chemother. 2022 Sep 20;66(9):e0074122. doi: 10.1128/aac.00741-22. Epub 2022 Aug 25.Antimicrob Agents Chemother. 2022.PMID: 36005769Free PMC article.
Helfer VE, Dias BB, Lock GA, Tomaszewski CA, Barnet LS, Barreto F, Zavascki AP, Araújo BV, Dalla Costa T.Helfer VE, et al.Heliyon. 2023 May 21;9(6):e16564. doi: 10.1016/j.heliyon.2023.e16564. eCollection 2023 Jun.Heliyon. 2023.PMID: 37251463Free PMC article.
Helfer VE, Dias BB, Lock GA, Tomaszewski CA, Barnet LS, Barreto F, Zavascki AP, de Araújo BV, Dalla Costa T.Helfer VE, et al.Antimicrob Agents Chemother. 2023 Jul 18;67(7):e0038223. doi: 10.1128/aac.00382-23. Epub 2023 Jun 27.Antimicrob Agents Chemother. 2023.PMID: 37367389Free PMC article.
Carreño F, Helfer VE, Staudt KJ, Olivo LB, Barreto F, Herrmann AP, Rates SMK, Dalla Costa T.Carreño F, et al. Among authors: helfer ve.J Chromatogr B Analyt Technol Biomed Life Sci. 2020 Oct 15;1155:122282. doi: 10.1016/j.jchromb.2020.122282. Epub 2020 Jul 28.J Chromatogr B Analyt Technol Biomed Life Sci. 2020.PMID: 32771966