Juswanto, G., Rahmawati, D., Husni, A., Widiastuti, W., Kustiowati, E., Suryawati, H. and Pudjanarko, D. (2021) “The relationship between the brain gym and the changes in interleukin 6 levels and the cognitive function in the elderly”, Bali Medical Journal, 10(1), pp. 356–360. doi: 10.15562/bmj.v10i1.2189.