{Reference Type}: Letter {Title}: The slow but progressive disappearance of the patients with the Pro343Ser (FX Friuli) mutation. {Author}: Girolami A;Ferrari S;Girolami B;Molaro G; {Journal}: Br J Haematol {Volume}: 191 {Issue}: 2 {Year}: 10 2020 {Factor}: 8.615 {DOI}: 10.1111/bjh.16991 {Abstract}: