SIRICHAI, S.; THIPYAPONG , K. High-Performance Liquid Chromatography Method for Simultaneous Determination of Paracetamol and Tramadol in Tablet Using Chromolith C18 Column. Burapha Science Journal, Chonburi, Thailand, v. 27, n. 1 January-April, p. 334–344, 2026. Disponível em: https://li05.tci-thaijo.org/index.php/buuscij/article/view/1330. Acesso em: 2 sep. 2026.