====== Pleth Index ======
Pleth Variable Index in infants undergoing myelomeningocele repair
((İçli D, Yörükoğlu HU, Aksu C, Gürkan Y, Etüş V. Pleth Variable Index in
infants undergoing myelomeningocele repair. J Clin Anesth. 2019 May 18;58:81-82. 
doi: 10.1016/j.jclinane.2019.05.018. [Epub ahead of print] PubMed PMID: 31112868.)).