@article{article2ce11749,
title   = {Power M-mode transcranial doppler examination of the ophthalmic artery in pregnancy standard operating procedure and review of the literature},
author = {Chen, Qian and Veen, Teelkien Van and Ruano, Rodrigo and Golabbakhsh, Hossein and Belfort, Michael A.},
year = {2013},
doi = {10.7863/ultra.32.9.1671},
journal   = {Journal of ultrasound in medicine}
}