@article{doi:10.1001/jama.292.14.1696,
author = {Alexander L and Seward JF and Santibanez TA and et al},
title = {VAccine policy changes and epidemiology of poliomyelitis in the united states},
journal = {JAMA},
volume = {292},
number = {14},
pages = {1696-1701},
year = {2004},
doi = {10.1001/jama.292.14.1696},
URL = { + http://dx.doi.org/10.1001/jama.292.14.1696},
eprint = {/data/Journals/JAMA/4947/JOC40852.pdf}
}