@article{doi:10.1001/jama.290.13.1729,
author = {Cauley JA and Robbins J and Chen Z and et al},
title = {Effects of estrogen plus progestin on risk of fracture and bone mineral density: The women's health initiative randomized trial},
journal = {JAMA},
volume = {290},
number = {13},
pages = {1729-1738},
year = {2003},
doi = {10.1001/jama.290.13.1729},
URL = { + http://dx.doi.org/10.1001/jama.290.13.1729},
eprint = {/data/Journals/JAMA/4898/JOC30769.pdf}
}