In Table 1 of a recent article by Colleen J. Maxwell and colleagues,1the drug group name for the second row of data was missing:it should be ß-blocker.
Reference
Maxwell CJ, Hogan DB, Ebly EM. Calcium-channel blockers and cognitive function in elderly people: results from the Canadian Study of Health and Aging. CMAJ 1999;161(5):501-6.[Abstract/Free Full Text]