TY  - RPRT
TI  - Bacterial resistance: changing patterns of some common pathogens.
AU  - J E Whitehead
PY  - 1973
DO  - 10.1136/bmj.2.5860.224
UR  - https://pubmed.ncbi.nlm.nih.gov/4144721/
ID  - 4144721
ER  -