@article{doi:10.1001/archsurg.1929.01140130023001,
author = {HEUER GJ},
title = {THe so-called hour-glass tumors of the spine},
journal = {Archives of Surgery},
volume = {18},
number = {4},
pages = {935-981},
year = {1929},
doi = {10.1001/archsurg.1929.01140130023001},
URL = { + http://dx.doi.org/10.1001/archsurg.1929.01140130023001},
eprint = {/data/Journals/SURG/13805/archsurg_18_4_001.pdf}
}