Poosiri, S., Thongseenuch, S., Saisom, S. and Chanmanee, N. (2019) “The invention of natural rubber mixed with high loading bismuth for radiation protection in diagnostic radiology”, The Thai Journal of Radiological Technology. Bangkok, Thailand, 44(1), pp. 8–14. available at: https://he02.tci-thaijo.org/index.php/tjrt/article/view/246753 (accessed: 21 September 2026).