Some remarks on the efficacy of vaccines for veterinary use.
Lensing
H H
HH
C.D.I., Central Veterinary Institute, Lelystad, The Netherlands.
D000820:Animal Diseases / Q000517:prevention & control; D000818:Animals; D005062:European Union; D014611:Vaccination / Q000592:standards / Q000662:veterinary*; D014612:Vaccines / Q000592:standards*
D014612:Vaccines