Yaovaluk Nuamtanung, Surapol Vorapongpiboon, Amara Thongpan and Supaporn Boonyaprasit (2005) “Effects of Meditation on the T-lymphocytes, B-lymphocytes and Natural Killer Cells Production”, Agriculture and Natural Resources. Bangkok, Thailand, 39(4), pp. 660–665. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/243430 (accessed: 27 August 2026).