Corrections
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*   © 2007 Canadian Medical Association or its licensors

In a recent Practice article,1 an author's name was mis-spelled and should have appeared as Omar AbouEzzeddine. We apologize for this error.

## REFERENCE

1.  1. Abouzzeddine O, Tangri N. Abdominal crunches as an unusual cause of empyema. *CMAJ* 2007;176(11):1577-8.