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.
Piñeiro B, López-Durán A, Fernández del Río E, Martínez Ú, Brandon TH, Becoña E.Piñeiro B, et al. Among authors: martinez u.Adicciones. 2014;26(3):230-7.Adicciones. 2014.PMID: 25314038Free article.
Medina-Ramirez P, Calixte-Civil P, Meltzer LR, Brandon KO, Martinez U, Sutton SK, Meade CD, Byrne MM, Brandon TH, Simmons VN.Medina-Ramirez P, et al. Among authors: martinez u.J Med Internet Res. 2020 Aug 14;22(8):e19389. doi: 10.2196/19389.J Med Internet Res. 2020.PMID: 32795986Free PMC article.Clinical Trial.