Ayanian John Z, Chrischilles Elizabeth A, Fletcher Robert H, Fouad Mona N, Harrington David P, Kahn Katherine L, Kiefe Catarina I, Lipscomb Joseph, Malin Jennifer L, Potosky Arnold L, Provenzale Dawn T, Sandler Robert S, van Ryn Michelle, Wallace Robert B, Weeks Jane C, West Dee W
Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
J Clin Oncol. 2004 Aug 1;22(15):2992-6. doi: 10.1200/JCO.2004.06.020.