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2. 30-Day notices, 135-day premarket approval (PMA) supplements and 75-day humanitarian device exemption (HDE) supplements for manufacturing method or process changes: guidance for industry and Food and Drug Administration staff

nlm:nlmuid-101760040-pdf

6. Adaptive designs for clinical trials of drugs and biologics

nlm:nlmuid-101760568-pdf

8. Adolescent and young adult substance use: federal grants for prevention, treatment, and recovery services and for research : report to Congressional committees

nlm:nlmuid-101766079-pdf