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definitions

metoprolol tartrate

[mə-tō′prə-lôl′, -lōl′]
n.
  1. A beta-blocker used primarily to treat hypertension and angina pectoris.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.