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.
Glasheen C, Johnson EO, Lorvick J, Kral AH.Glasheen C, et al. Among authors: kral ah.Ann Epidemiol. 2018 Jan;28(1):8-12. doi: 10.1016/j.annepidem.2017.10.015. Epub 2017 Nov 3.Ann Epidemiol. 2018.PMID: 29153491Free PMC article.
Watters JK, Estilo MJ, Kral AH, Lorvick JJ.Watters JK, et al. Among authors: kral ah.Sex Transm Dis. 1994 Nov-Dec;21(6):321-8. doi: 10.1097/00007435-199411000-00005.Sex Transm Dis. 1994.PMID: 7871445
Lorvick J, Kral AH, Seal K, Gee L, Edlin BR.Lorvick J, et al. Among authors: kral ah.Am J Public Health. 2001 Jan;91(1):46-7. doi: 10.2105/ajph.91.1.46.Am J Public Health. 2001.PMID: 11189823Free PMC article.No abstract available.