Tankee, P., S. Wongpraphairot, P. Chalermsanyakorn, K. Pinpradap, N. Srinak, P. Chatchaipun, S. Rattanasiri, S. Kantachuvesiri, V. Sumethkul, and C. Kitiyakara. “Extracellular Matrix and Collagen Index in Lupus Nephritis”. Ramathibodi Medical Journal, vol. 32, no. 2, June 2009, pp. 57-68, https://he02.tci-thaijo.org/index.php/ramajournal/article/view/175169.