Stephens DM, Li H, Constine LS, Fitzgerald TJ, Leonard JP, Kahl BS, Song JY, LeBlanc ML, Smith SM, Persky DO, Friedberg JW. Extranodal presentation in limited-stage diffuse large Bcell lymphoma as a prognostic marker in three SWOG trials S0014, S0313 and S1001. haematol [Internet]. 2022Oct.31 [cited 2024Dec.27];107(11):2732-6. Available from: https://haematologica.org/article/view/haematol.2022.281004