B. Yin, T. Ye, X. Liu, R. Wan, L. Gu, and G. Zong, “Effects of Melatonin for Delirium in Elderly Acute Heart Failure Patients: A Randomized, Single-Center, Double-Blind, and Placebo-Controlled Trial”, HSF, vol. 25, no. 1, pp. E037-E041, Jan. 2022.