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.
Marko KI, Krapf JM, Meltzer AC, Oh J, Ganju N, Martinez AG, Sheth SG, Gaba ND.Marko KI, et al. Among authors: krapf jm.JMIR Res Protoc. 2016 Nov 18;5(4):e200. doi: 10.2196/resprot.6167.JMIR Res Protoc. 2016.PMID: 27864167Free PMC article.
Flynn AN, King M, Rieff M, Krapf J, Goldstein AT.Flynn AN, et al.Sex Med. 2015 Nov 13;3(4):251-5. doi: 10.1002/sm2.90. eCollection 2015 Dec.Sex Med. 2015.PMID: 26797058Free PMC article.