BibTex format
@article{Helmig:1990:10.3109/00016349009013302,
author = {Helmig, R and Roseblade, CK and Uldbjerg, N and Elder, MG and Sullivan, MH},
doi = {10.3109/00016349009013302},
journal = {Acta Obstet Gynecol Scand},
pages = {405--408},
title = {Control of fetal membrane prostaglandin E2 production by bacteria.},
url = {http://dx.doi.org/10.3109/00016349009013302},
volume = {69},
year = {1990}
}