@article{doi:10.1001/jama.289.24.3243,
author = {Chlebowski RT and Hendrix SL and Langer RD and et al},
title = {Influence of estrogen plus progestin on breast cancer and mammography in healthy postmenopausal women: The women's health initiative randomized trial},
journal = {JAMA},
volume = {289},
number = {24},
pages = {3243-3253},
year = {2003},
doi = {10.1001/jama.289.24.3243},
URL = { + http://dx.doi.org/10.1001/jama.289.24.3243},
eprint = {/data/Journals/JAMA/4885/JOC30571.pdf}
}