@article{ref1,
title="Diphtheria, tetanus, and pertussis: guidelines for vaccine prophylaxis and other preventive measures. immunization practices advisory committee",
journal="MMWR: Morbidity and mortality weekly report",
year="1985",
author="Centers for Disease Control and Prevention, USA, ",
volume="34",
number="27",
pages="405-14, 419",
abstract="Abstract unavailable.",
language="en",
issn="0149-2195",
doi="",
url="http://dx.doi.org/"
}