@article{doi:10.1001/jama.1939.02800120061018,
title = {AVerage census of patients in hospital},
journal = {Journal of the American Medical Association},
volume = {112},
number = {12},
pages = {1175},
year = {1939},
doi = {10.1001/jama.1939.02800120061018},
URL = { + http://dx.doi.org/10.1001/jama.1939.02800120061018},
eprint = {/data/Journals/JAMA/7181/jama_112_12_018.pdf}
}