Sadeghi-Gandomani, Hamidreza, et al. “The Effects of Crocin Supplementation on Sleep Quality, General Health, and Happiness in Elderly Population: A Randomized, Double-Blind, Placebo-Controlled Trial”. International Journal of Medical Toxicology and Forensic Medicine, vol. 13, no. 1, Jan. 2023, p. 38718, doi:10.32598/ijmtfm.v12i4.38718.