To the Editor: Bethanechol is a parasympathomimetic agent similar to acetylcholine that is known to be a selective stimulant of smooth muscle in the gastrointestinal tract and urinary bladder. It is normally used to treat non-obstructive urinary retention and has not previously been known to have any effect on skeletal muscle.
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I would like to thank physiotherapist Diane Josephson and registered nurse Lynne Roche for their assistance with the study.