Threats to the Validity of Clinical Trials Employing Enrichment Strategies for Sample Selection
(Q41743212)
scientific article published on April 1, 1998
scientific article published on April 1, 1998
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Threats to the Validity of Clinical Trials Employing Enrichment Strategies for Sample Selection
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description | scientific article published on April 1, 1998 |
External Links
(P356) |
10.1016/S0197-2456(97)00118-9
|
(P698) |
9551282
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