Anvarovich, T. J. “Surunkali Obstruktiv O‘Pka Kasalliklarini Tashxis Qo‘Yishning Nurli Usullari”. Central Asian Journal of Medical and Natural Science, Vol. 4, no. 3, May 2023, pp. 150-5, https://cajmns.centralasianstudies.org/index.php/CAJMNS/article/view/1500.