Federal Register Notice: FDA is extending the comment period for the draft guidance documents entitled Same Surgical Procedure Exception: Questions and Answers Regarding the Scope of the Exception; Minimal Manipulation of Human Cells, Tissues, and Cellular and Tissue-Based Products; Human Cells, Tissues, and Cellular and Tissue-Based Products from Adipose Tissue: Regulatory Considerations; and Homologous Use of Human Cells, Tissues, and Cellular and Tissue-Based Products. To view this notice, click here.