@article{doi:10.1001/archinternmed.2011.807,
author = {Hayen A and Bell K and Glasziou P and Irwig L},
title = {A counterargument to encounter frequency and target achievement: Measurement variability},
journal = {Archives of Internal Medicine},
volume = {172},
number = {4},
pages = {374-375},
year = {2012},
doi = {10.1001/archinternmed.2011.807},
URL = { + http://dx.doi.org/10.1001/archinternmed.2011.807},
eprint = {/data/Journals/INTEMED/22609/ilt120001_374a_375.pdf}
}