Browsing by Author "Purnell RE"
Now showing items 1-2 of 2
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Duration of persistence of injectable avermectins against suckling lice of cattle
Titchener RN; Purnell RE (1996) -
Efficacy of morantel citrate against benzimidazole resistant field strains of Ostertagia circumcincta.
Gray D; Mitchell GBB; Purnell RE (1993)