Influence of Body Position on Evaluation of Right-to-left Shunt by Contrast Enhanced Transcranial Doppler in Migraine Patients
LI Zhao-Xia, DONG Pei, BAI Ya-Qiu, ZHAO Xing-Quan
Chinese Journal of Stroke . 2019, (10): 1011 -1014 .  DOI: 10.3969/j.issn.1673-5765.2019.10.009