@article{doi:10.1001/jama.2012.153817,
author = {Roos C and Spaanderman MA and Schuit E and et al},
title = {Effect of maintenance tocolysis with nifedipine in threatened preterm labor on perinatal outcomes: A randomized controlled trial},
journal = {JAMA},
volume = {309},
number = {1},
pages = {41-47},
year = {2013},
doi = {10.1001/jama.2012.153817},
URL = { + http://dx.doi.org/10.1001/jama.2012.153817},
eprint = {/data/Journals/JAMA/926163/joc120135_41_47.pdf}
}