LOS ANGELES - APRIL 22: Participants of a pro-research rally at UCLA defend the use of animals in biomedical research on Earth Day, April 22nd, 2009 in Los Angeles. UCLA Pro-Test campaign estimates 800-1000 marchers attended. Both humans and their pets have benefited from animal research, say participants.

  • MR: NO
  • PR: NO
  • 2
  • 1159
  • 2

Editorial Photo: UCLA Pro-Test

ID 9082576 © | Dreamstime.com

We accept all major credit cards from the United States.

Designers Also Selected These Stock Photos

More similar stock images

More images