[文献资料]参 考 文 献

1 ． Goldman L，Caldera DL，Nussbaum SR，et al ． Multifactorial index of cardiac risk in noncardiac surgical procedures ． New Engl J Med，1977，297：845 ．.27 ． Baum，M ． L ． A survey of clinical trials of antibiotic prophylaxis in colon surgery：evidenc against fu ......