. 2013 Nov 7;347:f6564. doi: 10.1136/bmj.f6564
© Ananth et al 2013
This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 3.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/3.0/.
Fig 1 Temporal changes in prevalence of pre-eclampsia: United States, 1980 to 2010