%0 Journal Article %T Investigation of the Clinical and Demographic Characteristics of Our Patients With Breast Cancer Diagnosed Before the Age of 40 %A Bülbül, B. %A Karaağaç, M. %A Artaç, M. %J EJMA %D 2026 %V 6 %P 77-80 %R 10.14744/ejma.268077