TaqMan minor groove binder real-time PCR analysis of beta-tubulin codon 200 polymorphism in small strongyles (Cyathostomin) indicates that the TAC allele is only moderately selected in benzimidazoleresistant populations - von Samson-Himmelstjerna, G; Buschbaum, S; Wirtherle, N; Pape, M; Schnieder, T (Parasitology, 2003)