INTRODUCTION

Acknowledgements

We would like to acknowledge the use of the following resources:

• Investigators Handbook for the Responsible Use and Care of Laboratory Animals.  Research Animal Resources Center, University of Wisconsin, 1988.
  
  
• Guidelines for Investigators Using Animals in Research or Teaching at Michigan State University.
  
  
• Office of Lab Animal Welfare.  PHS Policy on Humane Care and Use of Laboratory Animals Tutorial (http://grants.nih.gov/grants/olaw/tutorial/index.htm).