@article{doi:10.1001/jama.2013.198,
author = {Berry RJ and Crider KS and Yeargin-Allsopp M},
title = {PEriconceptional folic acid and risk of autism spectrum disorders},
journal = {JAMA},
volume = {309},
number = {6},
pages = {611-613},
year = {2013},
doi = {10.1001/jama.2013.198},
URL = { + http://dx.doi.org/10.1001/jama.2013.198},
eprint = {/data/Journals/JAMA/926381/jed120126_611_613.pdf}
}