Assertion: calcium channel blocker | /r/HasProperty | a group of medicines
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Source sentences:
text: Calcium-channel blockers (sometimes called calcium antagonists) are a group of medicines that affect the way calcium passes into certain muscle cells.
text: Calcium channel blockers (CCBs) are a group of medicines commonly prescribed to treat conditions of the heart and blood vessels, such as hypertension (high blood pressure), angina, some abnormal heart rhythms and Raynaud’s phenomenon (a condition resulting in painful and cold fingers and toes due to narrowing of the arteries in the hands and feet).