PBS NewsHour: Chimpanzee Testing

Medical experiments on chimpanzees can be invasive, involving injections, blood samples and liver biopsies. But some say it’s the only way to advance medicine. Miles O’Brien reports explores whether there are ever instances in which the scientific value of research should offset the moral cost of working with chimps.

AIR DATE: May 10, 2012

http://www.pbs.org/newshour/bb/science/jan-june12/chimps_05-10.html