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- Disabilities > Organizations
- Arc of Prince George's County, The
Working to make the county a great place to live, learn, work, and play for people with mental retardation and their families.
www.thearcofpgc.org
- Government > Law Enforcement
- Organizations > Science
- Society for In Vitro Biology
Focus is on biological research, development, and applications of significance to science and society through the study of cells and tissues in vitro.
www.sivb.org
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