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المؤلفون: Martin, Eichler, Jochen, Schmitt, Markus K, Schuler
المصدر: Zeitschrift fur Evidenz, Fortbildung und Qualitat im Gesundheitswesen. 146
مصطلحات موضوعية: Clinical Trials as Topic, Clinical Protocols, Data Collection, Germany, Quality of Life, Humans, Multicenter Studies as Topic, Ethics Committees, Research