Neoadjuvant concurrent chemoradiotherapy using infusional gemcitabine in locally advanced rectal cancer: A phase II trial oleh Shouki Bazarbashi, Mahmoud A. Elshenawy, Ahmed Badran, Ali Aljubran, Ahmed Alzahrani, Hadeel Almanea, Abdullah Alsuhaibani, Ahmed Alashwah, Mohamed Neimatallah, Alaa Abduljabbar, Luai Ashari, Samar Alhomoud, Hazem Ghebeh, Tusneem Elhassan, Nasser Alsanea, Mohammed Mohiuddin