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group, hypnosis
provided the
greatest pain and
anxiety relief.
Distraction was
effective at the
second
intervention. For
the older group,
distraction
provided the
greatest pain and
anxiety relief.
Randomization and
concealment of
allocation
unknown. Small
insufficiently
powered study.
Nurses
insufficiently
blinded. Thirty
completed, 37%
lost to follow-up,
compliance and
cointerventions
unknown.
Contamination of
the control group
by nursing staff.
Appropriate
intervention,