Article title Practice-Changing Use of the 21-Gene Test for the Management of Patients With E… Author Mauricio Lema Medina Fernando Herazo Maya Doi http://ascopubs.org/doi/full/10.1200/GO.21.00008 Profession Medicina Institution Clínica de Oncología Astorga, Medellín, Colombia Revista de publicacion Breast Cancer Specialist Oncología Publication name Practice-Changing Use of the 21-Gene Test for the Management of Patients With Early-Stage Breast Cancer in Latin America Article year 2021