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Randomization,
concealment of
allocation
unknown. Small
sample size with a
lack of any
placebo or notreatment
control
group. Blinding
of nurses may
have been
inadequate. A
25% attrition due
to death.
Compliance and
cointervention
unknown.
Insufficient
details on study
design.
Appropriate
hypnotic
intervention and
control group. A
good range of
outcome
measures.
Adequate followup
time. Direct
application to
clinical practice.
Demonstrates the