TY  - RPRT
TI  - Beta-lactamase assays.
AU  - G W Ross
AU  - C H O'Callaghan
PY  - 1975
DO  - 10.1016/0076-6879(75)43081-6
UR  - https://pubmed.ncbi.nlm.nih.gov/237219/
ID  - 237219
ER  -