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.
Whitehead C, Tong S, Wilson D, Howard M, Walker SP.Whitehead C, et al. Among authors: walker sp.Obstet Gynecol. 2015 May;125(5):1106-1109. doi: 10.1097/AOG.0000000000000508.Obstet Gynecol. 2015.PMID: 25774926
Bolch C, Fahey M, Reddihough D, Williams K, Reid S, Guzys A, Cole S, Edwards A, Fung A, Hodges R, Palma-Dias R, Teoh M, Walker S.Bolch C, et al.BMC Pediatr. 2018 Aug 1;18(1):256. doi: 10.1186/s12887-018-1230-8.BMC Pediatr. 2018.PMID: 30068295Free PMC article.
Wilson DL, Howard ME, Fung AM, O'Donoghue FJ, Barnes M, Lappas M, Walker SP.Wilson DL, et al. Among authors: walker sp.PLoS One. 2020 Feb 26;15(2):e0229568. doi: 10.1371/journal.pone.0229568. eCollection 2020.PLoS One. 2020.PMID: 32101584Free PMC article.