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Canadian Osteogenesis Imperfecta Society


PO Box 38189 Castlewood
550 Eglington Ave W
Toronto, Ontario MSN 1B0 Canada

800 Number


Email Address

[email protected]


The Canadian Osteogenesis Imperfecta Society (COIS) is an international, non-profit, charitable organization dedicated to assisting individuals affected by osteogenesis imperfecta (OI), a genetic disorder characterized by abnormally fragile, brittle bones. Established in 1983, the society aims to provide emotional support on a personal level for parents and people with osteogenesis imperfecta; encourage and foster Canadian medical research into the underlying causes of OI; acquaint medical personnel, hospitals, educational institutions, and social agencies with all facets of osteogenesis imperfecta; maintain an up-to-date library of literature both medical and general pertaining to OI; and promote awareness of brittle bones by the public.

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