@article{doi:10.1001/jama.2009.1165,
title = {USing the daylight},
journal = {JAMA},
volume = {302},
number = {9},
pages = {1009},
year = {2009},
doi = {10.1001/jama.2009.1165},
URL = { + http://dx.doi.org/10.1001/jama.2009.1165},
eprint = {/data/Journals/JAMA/4478/jjy90029_1009_1009.pdf}
}