TY - JOUR TI - Isoenzyme analysis of haemonchus contortus resistant or susceptible to ivermectin PY - 1992 AU - Echevarria, F. A. M. AU - Gennari, S M AU - Tait, A T2 - Veterinary Parasitology DO - 10.1016/0304-4017(92)90146-z UR - https://doi.org/10.1016/0304-4017(92)90146-z VL - 44 SP - 87-95 ER -