Klaphajone, Jakkrit, Natkul Chutarattana, and Pattana Lee. 2017. “Efficacy of Topical Plai (Zingiber Cassumunar) Cream Extract for Symptomatic Relief of Delayed Onset Muscle Soreness”. Biomedical Sciences and Clinical Medicine 56 (2):69-79. https://he01.tci-thaijo.org/index.php/CMMJ-MedCMJ/article/view/92736.