TY  - RPRT
TI  - Studies on a bactericidal substance produced by group A streptococci.
AU  - L F Wolff
AU  - J L Duncan
PY  - 1974
DO  - 10.1099/00221287-81-2-413
UR  - https://pubmed.ncbi.nlm.nih.gov/4599409/
ID  - 4599409
ER  -