The effects of vitamin D replacement on pathological complete response (pCR) in breast cancer patients receiving neoadjuvant systemic chemotherapy (NAC). Issue 12 (21st November 2021) - Ozmen, Vahit; Ordu, Cetin; Ilgun, Ahmet Serkan; Unal, Caglar; Soybir, Gursel; Erdogan, Zeynep; Kayan Tapan, Tuba; Aktepe, Fatma; Alco, Gul; Duymaz, Tomris; Ozmen, Tolga