@article{ref1,
title="Smallpox, vaccine prevention and the bioterrorism threat",
journal="Revista da Associacao Medica Brasileira (1992)",
year="2002",
author="Levi, Guido Carlos and Kallás, Esper Georges",
volume="48",
number="4",
pages="357-362",
abstract="With the international threat of bioterrorism, smallpox is again a matter of intense debate. The authors review this disease and raise considerations on the exploitation of the etiologic agent as a biological weapon. Also bring to discussion the available efforts to produce and develop vaccines against the disease.<p /><p>Language: pt</p>",
language="pt",
issn="0104-4230",
doi="",
url="http://dx.doi.org/"
}