Phaitoonwattanakij, Sutasinee, and Waranya Boonchai. “Changes in the Patch Test Population Over a Ten-Year Period at the Contact Dermatitis Clinic, Siriraj Hospital: A University-Based Tertiary Care Hospital in Thailand”. Siriraj Medical Journal 69, no. 1 (February 10, 2017): 32–34. accessed October 12, 2026. https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/77153.