Sajjapong W, Jongsomchai K, Sadjapong U, Sooksaen P. Effects of promoting eating foods containing bitter vegetables on nutritional status in the elderly. J Assoc Med Sci [internet]. 2023 Nov. 27 [cited 2026 Aug. 30];57(1):135-41. available from: https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/264413