Skin reactions to pneumococci and streptococci
E. Lepsky
Kazan medical journal ›› 1935, Vol. 31 ›› Issue (2) : 277 -277.
Skin reactions to pneumococci and streptococci
Bruin and Vedder isolated pneumococci from the pharynx of children suffering from respiratory diseases, killed the resulting cultures by heating to 65'C and prepared vaccines, containing from 6 to 20 million cultures per cm3.
Lepsky E.
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