%0 Journal Article
%B Obstet Gynecol
%D 2015
%G eng
%N 1
%P 196-206
%R 10.1097/AOG.0000000000000918
%T Obstetric Safety and Quality.
%V 126
%1 https://www.ncbi.nlm.nih.gov/pubmed/26241273
%8 07/2015