TY - GEN AU - ANDERSON,A TI - Potency of vaccine lymph SN - 0140-6736 PY - 2004///0215 KW - Humans KW - Smallpox KW - Vaccine Potency KW - Vaccines KW - Variola virus N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0140-6736(51)92580-9 ER -