Shi, Yicheng. “Effects of Melatonin on Postoperative Delirium After PCI in Elderly Patients: A Randomized, Single-Center, Double-Blind, Placebo-Controlled Trial: Anti-Delirium Effects of Melatonin”. The Heart Surgery Forum 24, no. 5 (October 21, 2021): E893-E897. Accessed September 18, 2024. https://journal.hsforum.com/index.php/HSF/article/view/4049.