@article{doi:10.1001/archinternmed.2008.600,
author = {Bischoff-Ferrari HA and Willett WC and Wong JB and et al},
title = {Prevention of nonvertebral fractures with oral vitamin d and dose dependency: A meta-analysis of randomized controlled trials},
journal = {Archives of Internal Medicine},
volume = {169},
number = {6},
pages = {551-561},
year = {2009},
doi = {10.1001/archinternmed.2008.600},
URL = { + http://dx.doi.org/10.1001/archinternmed.2008.600},
eprint = {/data/Journals/INTEMED/9894/ira80008_551_561.pdf}
}