TY  - RPRT
TI  - Long duration fly control on cattle using cypermethrin impregnated ear tags.
AU  - J S Liddel
AU  - R Clayton
PY  - 1982
DO  - 10.1136/vr.110.21.502
UR  - https://pubmed.ncbi.nlm.nih.gov/7112864/
ID  - 7112864
ER  -