Eren, Fatma Hulyam, and Halit Tanju Besler. “A 4-Week Consumption of Light or Dark Roast Unfiltered (Turkish) Coffee Affects Cardiovascular Risk Parameters of Homocysteine and Cholesterol Concentrations in Healthy Subjects: A Randomized Crossover Clinical trial.: The Effects of Unfiltered (Turkish) Coffee Consumption on Cardiovascular Risk Parameters.”. Progress in Nutrition 21, no. 1 (March 4, 2019): 164-173. Accessed July 5, 2020.