The impact of neoadjuvant chemotherapy in biological subtype of breast cancer. Issue 2 (February 2021) - Pinto, Paula; Peyroteo, Mariana; Canotilho, Rita; Correia, Ana Margarida; Baía, Catarina; Castro, Luís; Ribeiro, Cáta; Antunes, Pedro; Reis, Paulo; Abreu de Sousa, Joaquim