The REMAR (Rhein-Main-Registry) real-world study: prospective evaluation of the 21-gene breast recurrence score® assay in addition to Ki-67 for adjuvant treatment decisions in early-stage breast cancer - Christian Jackisch; Louiza Anastasiadou; Sebastian Aulmann; Athanasios Argyriadis; Volker Möbus; Christine Solbach; Peter Baier; Dagmar Giesecke; Sven Ackermann; Elke Schulmeyer; Boris Gabriel; Dietrich Mosch; et al. (Breast Cancer Research and Treatment, 2024)