Alexander Matthew S, Cullen Joseph J
a Departments of Surgery and Radiation Oncology, Holden Comprehensive Cancer Center , The University of Iowa Hospitals and Clinics and the University of Iowa College of Medicine , Iowa City , IA , USA.
Expert Rev Gastroenterol Hepatol. 2018 Sep;12(9):849-851. doi: 10.1080/17474124.2018.1494572. Epub 2018 Jul 5.