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31. Submission of plans for cigarette packages and cigarette advertisements (revised)

32. Required warnings for cigarette packages and advertisements: small entity compliance guide (revised)

33. Technical considerations for non-clinical assessment of medical devices containing nitinol: guidance for industry and Food and Drug Administration staff

36. Conduct of clinical trials of medical products during the COVID-19 public health emergency: guidance for industry, investigators, and institutional review boards

39. COVID-19: potency assay considerations for monoclonal antibodies and other therapeutic proteins targeting SARS-CoV-2 infectivity