What can comparative databases contribute to the evaluation of new technology?
University of Pittsburgh Data Coordinating Center, Pennsylvania 15261.
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D015906:Angioplasty, Balloon, Coronary / Q000706:statistics & numerical data*; D004867:Equipment Design; D006801:Humans; D015337:Multicenter Studies as Topic; D012042:Registries; D012107:Research Design; D016896:Treatment Outcome