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1
0042-6822(57)90080-6
0042-6822(57)90080-6
http://dx.doi.org/10.1016/0042-6822(57)90080-6
The ratio of the number of virus particles to infective titer of cowpox and vaccinia virus suspensions.
P356
Q45719402-424DD7CC-94EB-4FF1-9715-2C26C029D13C
P356
0042-6822(57)90080-6
http://dx.doi.org/10.1016/0042-6822(57)90080-6