An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Dryden MW, Boyer JE, Smith V.Dryden MW, et al. Among authors: smith v.J Med Entomol. 1994 Jul;31(4):631-4. doi: 10.1093/jmedent/31.4.631.J Med Entomol. 1994.PMID: 7932613
Dryden MW, Smith V.Dryden MW, et al. Among authors: smith v.J Med Entomol. 1994 Mar;31(2):272-7. doi: 10.1093/jmedent/31.2.272.J Med Entomol. 1994.PMID: 8189417
Dryden MW, Payne PA, Smith V.Dryden MW, et al. Among authors: smith v.Vet Parasitol. 2000 Oct 20;92(4):303-8. doi: 10.1016/s0304-4017(00)00319-8.Vet Parasitol. 2000.PMID: 10996742Clinical Trial.
Payne PA, Dryden MW, Smith V, Ridley RK.Payne PA, et al. Among authors: smith v.Vet Parasitol. 2001 Dec 28;102(4):331-40. doi: 10.1016/s0304-4017(01)00537-4.Vet Parasitol. 2001.PMID: 11731076