M, L.-A., and W. K. “Time trends of skin prick test reactivity to inhalant allergens among allergic children in Chiang Mai”. Biomedical Sciences and Clinical Medicine, vol. 60, no. 4, Oct. 2021, pp. 475-86, https://he01.tci-thaijo.org/index.php/CMMJ-MedCMJ/article/view/250649.