Salminen, Tiina M., Irma E. Saarenmaa, Minna M. Heikkilä, and Matti Hakama. “Risk of Breast Cancer and Changes in Mammographic Parenchymal Patterns Over Time”. Acta Oncologica 37, no. 6 (January 1, 1998): 547–551. Accessed February 20, 2025. https://medicaljournalssweden.se/actaoncologica/article/view/27599.