1. Department of Periodontics School of Dentistry Virginia Commonwealth University Richmond Virginia
2. Laser Laboratory Department of Oral Surgery Wroclaw Medical University Wroclaw Poland
3. Health Sciences Library Virginia Commonwealth University Richmond Virginia
4. Department of Oral and Craniofacial Molecular Biology Philips Institute for Oral Health Research School of Dentistry Virginia Commonwealth University Richmond Virginia
5. Department of Biomedical Engineering College of Engineering Virginia Commonwealth University Richmond Virginia