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"Re-administration" in this passage refers toA.giving the test again to people without adm
"Re-administration" in this passage refers to
A.giving the test again to people without administering beta blockers.
B.giving the test again m both groups after beta blockers have been administered to one group.
C.giving the test to both groups of test-takers and then giving them beta blockers.
D.giving the beta blockers without retesting.
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