Metadata
Author: WikiMatrix
Data
English[en]
In 1941, Avery and MacLeod separated a crude extract from smooth ('S') strains of Streptococcus pneumoniae, the most common cause of bacterial pneumonia.
Spanish[es]
En 1941, Avery y MacLeod habían separado un extracto crudo de la cepa bacteriana causante de neumonía S ("suave").