SZYMONIK, Julia and SZOPA, Sebastian. Stress and primary headaches – Mindfulness-Based Stress Reduction (MBSR) as a novel avenue for treatment. Journal of Education, Health and Sport. Online. 24 February 2024. Vol. 63, pp. 95-114. [Accessed 18 September 2024]. DOI 10.12775/JEHS.2024.63.007.