BibTex format
@article{Sorensen:2002:10.1161/01.CIR.0000030940.73167.4E,
author = {Sorensen, MB and Collins, P and Ong, PJL and Webb, CM and Hayward, CS and Asbury, EA and Gatehouse, PD and Elkington, AG and Yang, GZ and Kubba, A and Pennell, DJ},
doi = {10.1161/01.CIR.0000030940.73167.4E},
journal = {CIRCULATION},
pages = {1646--1651},
title = {Long-term use of contraceptive depot medroxyprogesterone acetate in young women impairs arterial endothelial function assessed by cardiovascular magnetic resonance},
url = {http://dx.doi.org/10.1161/01.CIR.0000030940.73167.4E},
volume = {106},
year = {2002}
}