Sakian S, Louie K, Wong EC, Havelock J, Kashyap S, Rowe T, Taylor B, Ma S.
Placenta. 2015 Oct;36(10):1100-5. doi: 10.1016/j.placenta.2015.08.008. Epub 2015 Aug 21.
https://www.ncbi.nlm.nih.gov/pubmed/26386650
Sakian S, Louie K, Wong EC, Havelock J, Kashyap S, Rowe T, Taylor B, Ma S.
Placenta. 2015 Oct;36(10):1100-5. doi: 10.1016/j.placenta.2015.08.008. Epub 2015 Aug 21.
https://www.ncbi.nlm.nih.gov/pubmed/26386650