Clinical Trials on Placement of Implants in Existing Bone
Fiorellini, Joseph P.
Jeffcoat, Marjorie C.
Annals of Periodontology 1997 March; 2(1): 315-328
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Graf, Hans-Peter; Cole, Dennis (1995-08)On 9 August 1994 the German legislature revised the German Drug Law (AMG). Included in the revision is a passage requiring, for the first time, that the sponsors and investigators of clinical studies involving human subjects ...