@article{doi:10.1001/jama.1979.03300180014020,
title = {LEvel not clearance},
journal = {JAMA},
volume = {242},
number = {18},
pages = {1970},
year = {1979},
doi = {10.1001/jama.1979.03300180014020},
URL = { + http://dx.doi.org/10.1001/jama.1979.03300180014020},
eprint = {/data/Journals/JAMA/8946/jama_242_18_020.pdf}
}