|
Who described of a non-bacterial pathogen or virus for the first time? |
|||
|
(a) |
Stockman |
(b) |
Ivanovsky |
|
(c) |
Stanley |
(d) |
Smith |
|
Who described of a non-bacterial pathogen or virus for the first time? |
|||
|
(a) |
Stockman |
(b) |
Ivanovsky |
|
(c) |
Stanley |
(d) |
Smith |