@article{doi:10.1001/archinternmed.2011.225,
author = {Roussel R and Bhatt DL and Steg P and et al},
title = {Levels of evidence needed for changing indications, contraindications, and food and drug administration labeling: The case of metformin—reply},
journal = {Archives of Internal Medicine},
volume = {171},
number = {11},
pages = {1042-1043},
year = {2011},
doi = {10.1001/archinternmed.2011.225},
URL = { + http://dx.doi.org/10.1001/archinternmed.2011.225},
eprint = {/data/Journals/INTEMED/5819/ilt0613_1043_1043.pdf}
}