MeSH
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Clinical Trial, Phase II [Publication Type]

MeSH ID: M0026441

DEFINITION: Work that is a report of a pre-planned, usually controlled, clinical study of the safety and efficacy of diagnostic, therapeutic, or prophylactic drugs, devices, or techniques based on several hundred volunteers, including a limited number of patients, and conducted over a period of about two years in either the United States or a foreign country.

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