Sumdaengrit, Bualuang, Somchit Hanucharurnkul, Marylin J Dodd, Sarikapan Wilailak, Thavatchai Vorapongsathorn, and Kanaungnit Pongthavornkamol. 2011. “Factors Predicting the Change of Symptom Distress among Thai Women with Cervical Cancer”. Research Medical Journal 34 (1):45-57. https://he02.tci-thaijo.org/index.php/ramajournal/article/view/135755.