Quality assurance in non-interventional studies.
Autor: | Theobald, Karlheinz, Capa, Müge, Herbold, Marlis, Schinzel, Stefan, Hundt, Ferdinand |
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Zdroj: | GMS German Medical Science. 2009, Vol. 7, p1-7. 7p. |
Databáze: | Academic Search Ultimate |
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