Wahabi, Imen, et al. “Association of M470V Polymorphism of CFTR Gene With Variability of Clinical Expression of Asthma: Case-Report Study”. Allergologia Et Immunopathologia, vol. 47, no. 2, Apr. 2019, pp. 159-65, https://www.all-imm.com/index.php/aei/article/view/339.