Derwent veterinary drug file : thesaurus.
Derwent Information Limited.
London : Derwent Information,
1998.
"This thesaurus is designed to facilitate searching of the DERWENT VETERINARY DRUG FILE" - introduction.
Pt. 1. A-K -- Pt. 2. L-Z -- Pt. 3. Appendices.
Veterinary drugs
Veterinary drugs