Effects of preoperative aspirin on perioperative platelet activation and dysfunction in patients undergoing off-pump coronary artery bypass graft surgery: A prospective randomized study. - Lee, Jiwon; Jung, Chul-Woo; Jeon, Yunseok; Kim, Tae Kyong; Cho, Youn Joung; Koo, Chang-Hoon; Choi, Yoon Hyeong; Kim, Ki-Bong; Hwang, Ho Young; Kim, Hang-Rae; Park, Ji-Young (PLoS ONE, 2017)