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Design and implementation of the United States National Animal Health Monitoring System 1994–1995 Cattle on Feed Evaluation, and an evaluation of the impact of response biases
Veränderungen der Spenderausschlußrate bei der Gewinnung von Apheresespendern durch die Neufasssung der «Richtlinien zur Blutgruppenbestimmung und Bluttransfusion (Hämotherapie)»