TY - JOUR TI - Investigation of the Clinical and Demographic Characteristics of Our Patients With Breast Cancer Diagnosed Before the Age of 40 AU - Bülbül, B. AU - Karaağaç, M. AU - Artaç, M. JO - EJMA PY - 2026 VL - 6 SP - 77 EP - 80 DO - 10.14744/ejma.268077 ER -