Khamrag, C., D. Wattanakitkrilert, V. Charoenkitkarn, and W. Dejsomritrutai. “Influences of Perceived Medication Necessity, Medication Concern, Side Effects, and Treatment-Time on Inhaled Corticosteroids Adherence in Adult Patients With Asthma”. Nursing Science Journal of Thailand, vol. 34, no. 2, June 2016, pp. 73-82, https://he02.tci-thaijo.org/index.php/ns/article/view/69313.