Речкіна, О. О., В. О. Стриж, and С. М. Руденко. “Use of the AST Questionnaire and Spirometry to Assess the Control of Asthma in Adolescents”. Family medicine, no. 4 (October 30, 2020): 77–81. Accessed May 20, 2024. https://family-medicine.com.ua/2412-8708/article/view/217943.