@article{doi:10.1001/jama.280.7.635,
author = {He Q and Viljanen MK and Arvilommi H and Aittanen B and Mertsola J},
title = {WHooping cough caused by bordetella pertussis and bordetella parapertussis in an immunized population},
journal = {JAMA},
volume = {280},
number = {7},
pages = {635-637},
year = {1998},
doi = {10.1001/jama.280.7.635},
URL = { + http://dx.doi.org/10.1001/jama.280.7.635},
eprint = {/data/Journals/JAMA/4572/JBR80236.pdf}
}