Peerakome, S., Vannareumol, P., Linpisarn, S., Lertprasertsuke, N., Sanchaimoon, N. and Phornphutkul, K. (2015) “Comparison of diagnostic methods for Helicobacter pylori infection in peptic ulcer patient”, Journal of Associated Medical Sciences, 29(2), p. 53. available at: https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60421 (accessed: 14 September 2026).