Blomqvist, C., Elomaa, I., Rissanen, P., Hietanen, P., Nevasaari, K., & Helle, L. (1992). FEC (5-Fluorouracil-Epirubicin-Cyclophosphamide) Monthly Versus FEC Weekly in Metastatic Breast Cancer: First results of a randomized trial. Acta Oncologica, 31(2), 231–236. https://doi.org/10.3109/02841869209088908