TY - GEN AU - KEMPE,C H AU - BENENSON,A S TI - Smallpox and vaccinia SN - 0031-3955 PY - 2003///0501 KW - Humans KW - Smallpox KW - Vaccinia KW - Vaccinia virus N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0031-3955(16)30181-x ER -