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Dyfyniad Arddull ChicagoRichardson, DeJuran, and Shande Chen. Data Quality Assurance and Quality Control Measures in Large Multicenter Stroke Trials: The African-American Antiplatelet Stroke Prevention Study Experience. BioMed Central, 2001.
Dyfyniad MLARichardson, DeJuran, and Shande Chen. Data Quality Assurance and Quality Control Measures in Large Multicenter Stroke Trials: The African-American Antiplatelet Stroke Prevention Study Experience. BioMed Central, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.