Ruiz A, Molina JM, Njue AI, Prichard RK. Genetic variability in cysteine protease genes of Haemonchus contortus. Parasitology. 2004 May;128(Pt 5):549-59.
Njue AI, Prichard RK. Cloning two full-length beta-tubulin isotype cDNAs from Cooperia oncophora, and screening for benzimidazole resistance-associated mutations in two isolates. Parasitology. 2003 Dec 1;127(06):579-88.