“Effect of 12-week dark chocolate intake combined with low-energy diet and exercise on weight loss in obese adults: a phase II randomized controlled trial protocol”, PPCR, vol. 2, no. 2, Nov. 2016, Accessed: Dec. 07, 2025. [Online]. Available: https://www.journal.ppcr.org/index.php/ppcrjournal/article/view/33