@article{doi:10.1001/jama.288.14.1713,
title = {NAtional, state, and urban area vaccination coverage levels among children aged 19-35 months—united states, 2001},
journal = {JAMA},
volume = {288},
number = {14},
pages = {1713-1714},
year = {2002},
doi = {10.1001/jama.288.14.1713},
URL = { + http://dx.doi.org/10.1001/jama.288.14.1713},
eprint = {/data/Journals/JAMA/4851/jwr1009-3-1.pdf}
}