@article{doi:10.1001/jama.2012.121a,
title = {A rational holiday schedule},
journal = {JAMA},
volume = {307},
number = {9},
pages = {889},
year = {2012},
doi = {10.1001/jama.2012.121a},
URL = { + http://dx.doi.org/10.1001/jama.2012.121a},
eprint = {/data/Journals/JAMA/22492/jjy20004_889a_889.pdf}
}