Luu, H.N., Nguyen, D.T., Pham, M.T., Do, D.T. and Nguyen, T.H. 2022. Evaluation value of combined mamography and ultrasound in diagnosis of breast cancer in women under 40 years old. Vietnamese Journal of Radiology and Nuclear Medicine. 17 (Jul. 2022), 15-19. DOI:https://doi.org/10.55046/vjrnm.17.351.2014.