“Parkinson’s disease-related non-motor features as risk factors for post-operative delirium in spinal surgery,” by Ki Hoon Kim, Suk Yun Kang, Dong Ah Shin, Seong Yi, Yoon Ha, Keung Nyun Kim, Young Ho Sohn, and Phil Hyu Lee (PLoS ONE 13(4): e0195749. doi.org/10.1371/journal.pone.0195749, XML, HTML, and .pdf format, 12p.).
journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0195749