TY - BOOK ID - 10439305 TI - The greatest killer : smallpox in history PY - 2002 SN - 0226351688 PB - Chicago (Ill.): University of Chicago press DB - UniCat KW - Smallpox KW - History. KW - Small pox KW - Variola KW - Varioloid KW - Poxvirus diseases KW - History UR - https://www.unicat.be/uniCat?func=search&query=sysid:10439305 AB - ER -