TY  - RPRT
TI  - Narrow versus broad-spectrum therapy.
AU  - S Levin
AU  - G M Trenholme
PY  - 1982
DO  - 10.1093/jac/9.4.247
UR  - https://pubmed.ncbi.nlm.nih.gov/7085528/
ID  - 7085528
ER  -