MAHMOOD AHMAD, MUHAMMAD AYUB, FAWAD IQBAL JANJUA, AISHA MAJEED, NOOMAN GILANI; NAHDIA ZAMAN , MUHAMMAD ATAUR REHMAN , SUMBAL SHEHZADI , UZMA ABID , MARYAM AMJAD , SONIA FAZAL , N. Z. , M. A. R. , S. S. , U. A. , M. A. , S. F. . Frequency of Cystic Fibrosis in Children with Recurrent Respiratory Infections by Sweat Chloride Testing: A Hospital-Based Cross-sectional Study. Journal of Rawalpindi Medical College, Rawalpindi, Pakistan, v. 26, n. 2-S1, 2020. DOI: 10.37939/jrmc.v24i4.1229. Disponível em: https://www.journalrmc.com/index.php/JRMC/article/view/1229. Acesso em: 4 apr. 2026.