na INLIS000000000012914 20240221085933 0010-0521012914 240221 | | en 616.993/ENV/p 616.993/ENV/p STRONG, Les WARDHAUGH, Keith Proceedings of an invitational workshop held in... / STRONG, Les Amsterdam : Elsevier, 1993 vii, 344 p.: ill.; 24 cm. LIVESTOCK -- IVERMECTIN -- PARASITOSES -- ENVIRONMENTAL IMPACT 255/ODA/93