BibTex format
@article{Joffe:2008:pubmed/fdn005,
author = {Joffe, M and Paranjothy, S and Fielder, H and Lyons, R and Palmer, S},
doi = {pubmed/fdn005},
journal = {JOURNAL OF PUBLIC HEALTH},
pages = {178--185},
title = {Use of time to pregnancy in environmental epidemiology and surveillance},
url = {http://dx.doi.org/10.1093/pubmed/fdn005},
volume = {30},
year = {2008}
}