The performance of the inferior vena cava collapse index(IVC-CI) measured by ultrasound on predicting supine hypotension syndrome(SHS) in parturients following spinal anesthesia
YAO Shifa, NIU Jianmei, XU Tao
Journal of Diagnostics Concepts & Practice . 2020, (02): 135 -138 .  DOI: 10.16150/j.1671-2870.2020.02.007