@article{doi:,
title = {SAfe answers for the american board of surgery certifying exam},
journal = {Archives of Surgery},
volume = {134},
number = {4},
pages = {448-449},
year = {1999},
doi = {},
URL = { + http://dx.doi.org/},
eprint = {/data/Journals/SURG/9417/sbk0499.pdf}
}