authors Duchesneau, Emilie D Dae Hyun Kim, MD, MPH, ScD Stürmer, Til Her, Qoua Zhang, Zhang Nick Pajewski, PhD Klepin, Heidi D Kate Callahan, MD, MS Lund, Jennifer L
has subject area Aged Aged, 80 and over Breast Neoplasms Chemotherapy, Adjuvant Female Frailty Humans Longitudinal Studies Medicare SEER Program United States