Prospective randomized study of efficacy of 1-day versus 3-day antibiotic prophylaxis for preventing surgical site infection after coronary artery bypass graft oleh Mei-Hsin Lin, Sung-Ching Pan, Jiun-Ling Wang, Ron-Bin Hsu, Fei-Lin Lin Wu, Yee-Chun Chen, Fang-Yue Lin, Shan-Chwen Chang