What the lawyers say:
The materials found in this digital collection are owned by Deborah Gilboa MD and are available for personal, non-commercial, and educational use, provided that ownership of the materials is properly cited. Any commercial use of the materials, without the written permission of Deborah Gilboa, MD, is strictly prohibited. For permission to use specific materials, please contact the site administrator.
What Dr. Gilboa says:
Seriously, feel free to steal this stuff without permission if you have $10,000 available for every unauthorized use. I have four kids to put through college.