TY  - RPRT
TI  - Extended spectrum beta-lactamases.
AU  - F M MacKenzie
AU  - I M Gould
PY  - 1998
DO  - 10.1016/s0163-4453(98)94027-0
UR  - https://pubmed.ncbi.nlm.nih.gov/9661933/
ID  - 9661933
ER  -