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.
Polis CB, Bradley SE, Bankole A, Onda T, Croft T, Singh S.Polis CB, et al.Contraception. 2016 Jul;94(1):11-7. doi: 10.1016/j.contraception.2016.03.011. Epub 2016 Mar 24.Contraception. 2016.PMID: 27018154Free PMC article.
Keogh SC, Otupiri E, Castillo PW, Chiu DW, Polis CB, Nakua EK, Bell SO.Keogh SC, et al. Among authors: polis cb.Contraception. 2021 Sep;104(3):235-245. doi: 10.1016/j.contraception.2021.05.004. Epub 2021 May 14.Contraception. 2021.PMID: 33992609Free article.
Haddad LB, Polis CB, Sheth AN, Brown J, Kourtis AP, King C, Chakraborty R, Ofotokun I.Haddad LB, et al. Among authors: polis cb.Curr HIV/AIDS Rep. 2014 Dec;11(4):447-58. doi: 10.1007/s11904-014-0236-6.Curr HIV/AIDS Rep. 2014.PMID: 25297973Free PMC article.Review.
Butler AR, Smith JA, Polis CB, Gregson S, Stanton D, Hallett TB.Butler AR, et al. Among authors: polis cb.AIDS. 2013 Jan 2;27(1):105-113. doi: 10.1097/QAD.0b013e32835a5a52.AIDS. 2013.PMID: 23014519Free PMC article.