Early discontinuation of adjuvant chemotherapy in patients with early-stage pancreatic cancer correlates with inferior survival: A multicenter population-based cohort study. oleh Javeria Muhammadzai, Kamal Haider, Michael Moser, Haji Chalchal, John Shaw, Donald Gardiner, Dorie-Anna Dueck, Osama Ahmed, Bryan Brunet, Mussawar Iqbal, Yigang Luo, Gavin Beck, Adnan Zaidi, Shahid Ahmed