Thanos Chatzikostopoulos, Magdalini Tsolaki, Greta Wozniak, Emmanouela Basgiouraki, Iordanis Saoulidis, and Dimitrios Michmizos. “The Effects of Early-Harvest Extra Virgin Olive Oil on Cognition And Mental Health of Primary (PPMS) or Secondary (SPMS) Progressive Multiple Sclerosis Patients”. Global Journal of Medical Research 22, no. L2 (December 6, 2022): 45–52. Accessed May 8, 2024. https://medicalresearchjournal.org/index.php/GJMR/article/view/102228.