Kansiz T, Ayoglu H, Aydin BG, Okyay RD, Kucukosman G, Oztoprak H, Piskin O. The efficacy of inferior vena cava diameter, perfusion index and pleth variability index on predicting hypotension in spinal anesthesia. annalsmedres [Internet]. 2022 Jun. 24 [cited 2024 May 3];29(6):616-22. Available from: http://www.annalsmedres.org/index.php/aomr/article/view/4192