Preoperative levels of physical activity can be increased in pancreatectomy patients via a remotely monitored, telephone-based intervention: A randomized trial oleh Jorge G. Zarate Rodriguez, Heidy Cos, Rohit Srivastava, Alice Bewley, Lacey Raper, Dingwen Li, Ruixuan Dai, Gregory A. Williams, Ryan C. Fields, William G. Hawkins, Chenyang Lu, Dominic E. Sanford, Chet W. Hammill