Nimsung, Rujapa, Orawan Boonpala, and Charuwan Prathomthanapongs. 2008. “Preparation of Conjugated Bilirubin from Native Bile and Characteristic Study”. Journal of Associated Medical Sciences 41 (2):62. https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60108.