NINDS: Olivopontocerebellar Atrophy
Information sheet compiled by National Institute of Neurological Disorders and Stroke.
NORD - Olivopontocerebellar Atrophy
http://www.rarediseases.org/search/rdbdetail_abstract.html?disname=Olivopontocerebellar%20Atrophy%2C
Offers synonyms, a general discussion and further resources.
Opca Awareness
A site devoted to Olivopontocerebellar Atrophy. It has links, personal stories and a discussion board.