{Reference Type}: Case Reports {Title}: Recalcitrant skin ulcers in a patient with Papillon-Lefèvre syndrome: an unusual novel presentation. {Author}: Malhi K;Singh S;Mustari AP;Bishnoi A;Machhua S;Jindal AK; {Journal}: Clin Exp Dermatol {Volume}: 49 {Issue}: 5 {Year}: 2024 Apr 23 {Factor}: 4.481 {DOI}: 10.1093/ced/llad446