{Reference Type}: Letter {Title}: Efficacy of dupilumab in patients with prior exposure to topical steroids: facing second-line treatments for eosinophilic oesophagitis. {Author}: Visaggi P;De Bortoli N;Savarino E; {Journal}: Gut {Volume}: 73 {Issue}: 10 {Year}: 2024 Sep 9 {Factor}: 31.793 {DOI}: 10.1136/gutjnl-2023-331674