Step Down From Scheduled Inhaled Corticosteroids (ICS) Plus As-Needed Fast-Acting Beta-Agonists (FABA) to As-Needed ICS/FABA: A Systematic Review and Meta-Analysis. - Estrada-Mendizabal RJ; Hagan JB; Wonnaparhown A; Freeman CM; Kwong CG; Volcheck GW; Marks LA; Chu DK; Rank MA (The journal of allergy and clinical immunology. In practice, 2025)