TY - RPRT TI - Cytochrome oxidase c subunit 1 polymorphisms show significant differences in distribution between a laboratory maintained population and a field isolate of Cooperia oncophora. AU - Margreet van der Veer AU - Kirezi Kanobana AU - Harm W Ploeger AU - Erik de Vries PY - 2003 DO - 10.1016/j.vetpar.2003.07.007 UR - https://pubmed.ncbi.nlm.nih.gov/14559166/ ID - 14559166 ER -