C. Siripipattanamongkol, V. Thampanya, P. Sirijanchune, N. Chueamuangphan, and W. Khunkitti, “Efficacy of Topical Andrographis Paniculata Extract for Pruritus in Chronic Liver Disease: A Randomized, Placebo-Controlled Trial”, Siriraj Med J, vol. 77, no. 7, pp. 476–483, Jul. 2025.