Comment on

• Clinical use of serum parvovirus and distemper virus antibody titers for determining revaccination strategies in healthy dogs.

  Twark L, Dodds WJ. Twark L, et al. J Am Vet Med Assoc. 2000 Oct 1;217(7):1021-4. doi: 10.2460/javma.2000.217.1021. J Am Vet Med Assoc. 2000. PMID: 11019708
• Opposing views of revaccination strategies.

  Palmquist R. Palmquist R. J Am Vet Med Assoc. 2000 Dec 15;217(12):1789-91. J Am Vet Med Assoc. 2000. PMID: 11132877 No abstract available.
• Opposing views of revaccination strategies.

  Hines KP. Hines KP. J Am Vet Med Assoc. 2000 Dec 15;217(12):1790-1. J Am Vet Med Assoc. 2000. PMID: 11281111 No abstract available.