Nutmakul, T., Saralamp, P., & Prathanturarug, S. (2017). An Effective Method for the Identification of Stem Adulteration in Bencha-Loga-Wichian, a Thai Traditional Preparation. Journal of Health Research, 27(5), 307–314. Retrieved from https://he01.tci-thaijo.org/index.php/jhealthres/article/view/88699