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2. Persistent activity of injectable ivermectin against important gastrointestinal nematodes of sheep;GRIMSHAW;Veterinary Record,1997
3. Persistent activity of ivermectin topical and moxidectin injection against Ostertagia ostertagi and Dictyocaulus viviparus in calves;HONG;Veterinary Record,1995
4. Persistent efficacy of topical moxidectin against Dictyocaulus viviparus and Ostertagia ostertagi;HUBERT;Veterinary Parasitology,1997
5. The persistence of the efficacy of injectable or oral moxidectin against Teladorsagia, Haemonchus and Trichostrongylus species in experimentally infected sheep;KERBOEUF;Veterinary Record,1995