{Reference Type}: Journal Article {Title}: Essential Thrombocythemia Diagnosed from a Toe Ulcer. {Author}: Sekine R;Hara H;Tsukuura R;Aozasa N; {Journal}: Intern Med {Volume}: 60 {Issue}: 17 {Year}: Sep 2021 1 {Factor}: 1.282 {DOI}: 10.2169/internalmedicine.6900-20 {Abstract}: