Impact of the 21-Gene Recurrence Score Assay on Treatment Decisions and Cost in Patients with Node-Positive Breast Cancer: A Multicenter Study in Quebec. - Hassan, Saima; Younan, Rami; Patocskai, Erica; Provencher, Louise; Poirier, Brigitte; Sideris, Luca; Dubé, Pierre; Mihalcioiu, Catalin; Chabot-Blanchet, Malorie; Guertin, Marie-Claude; Boileau, Jean-François; Robidoux, André (Oncologist, 2022)