@article{doi:10.1001/jama.2012.167,
title = {THe influence of caffein on mental and motor efficiency and on the circulation},
journal = {JAMA},
volume = {307},
number = {11},
pages = {1118},
year = {2012},
doi = {10.1001/jama.2012.167},
URL = { + http://dx.doi.org/10.1001/jama.2012.167},
eprint = {/data/Journals/JAMA/22494/jjy20006_1118_1118.pdf}
}