TY - JOUR T1 - Delayed diagnosis of cystic fibrosis: clinical burden and missed opportunities in a cohort from Rio de Janeiro, Brazil JO - Respiratory Research & Clinical Practice A1 - Cohen, Renata Wrobel Folescu A1 - Folescu, Tania Wrobel A1 - Rocha, Leonardo Yllel A1 - Taulois, Monica A1 - Costa, PatrĂ­cia Fernandes Barreto Machado A1 - Oliveira, Raphael Freitas Jaber de SN - 3086-3910 UL - 10.36416/1806-3756/e20260136 VL - 52 Y1 - 2026 PB - Brazil ER -