There's lots of information available on vivisection, and it's hard to separate the facts from the rhetoric, on either side of the argument. This is a list of links to both pro- and anti-vivisection sites for people to make up their own minds.
NAVS National Anti-Vivisection Society
www.navs.org
NEAVS New England Anti-Vivisection Society
www.neavs.org
Research Defence Society
www.rds-online.org.uk
Seriously ill for Medical Research
www.simr.org.uk
Association of Medical Research Charities
www.amrc.org.uk/
Medical Research Council
www.mrc.ac.uk/
Animal Aid
www.animalaid.org.uk
National Anti-Vivisection Society
www.navs.org.uk/
Animal Defenders
www.animaldefenders.org.uk/
Europeans For Medical Advancemant
www.curedisease.net/