@article{doi:10.1001/archpedi.157.9.934-a,
author = {Willoughby and Jr RE},
title = {BEware observational studies in neonatal practice},
journal = {Archives of Pediatrics & Adolescent Medicine},
volume = {157},
number = {9},
pages = {934-935},
year = {2003},
doi = {10.1001/archpedi.157.9.934-a},
URL = { + http://dx.doi.org/10.1001/archpedi.157.9.934-a},
eprint = {/data/Journals/PEDS/11798/plt0903_934a_935.pdf}
}