North America
Steve Atanas Stavro Familial Gastrointestinal Cancer Registry (Mount Sinai Hospital, Toronto, Ontario, Canada)
The Johns Hopkins Hereditary Colorectal Cancer Registry (Johns Hopkins School of Medicine, Baltimore, MD, USA)
Read more about this topic: Polyposis Registries
Famous quotes related to north america:
“I knew that the wall was the main thing in Quebec, and had cost a great deal of money.... In fact, these are the only remarkable walls we have in North America, though we have a good deal of Virginia fence, it is true.”
—Henry David Thoreau (1817–1862)