Comment on

• Nematode control practices and anthelmintic resistance in dairy calves in the south west of England.

  Stafford K, Coles GC. Stafford K, et al. Vet Rec. 1999 Jun 12;144(24):659-61. doi: 10.1136/vr.144.24.659. Vet Rec. 1999. PMID: 10404603
• Ivermectin-resistant Cooperia in cattle.

  Coles GC, Watson CL, Anziani OS. Coles GC, et al. Vet Rec. 2001 Mar 3;148(9):283-4. Vet Rec. 2001. PMID: 11292096 No abstract available.