1. Making your voice heard at FDA;http://www.fda.gov/RegulatoryInformation/Dockets/Comments/default.htm.
2. Cellular and gene therapy guidance documents;http://www.fda.gov/BiologicsBloodVaccines/GuidanceComplianceRegulatoryInformation/Guidances/CellularandGeneTherapy/default.htm.
3. Regulation of Somatic-Cell Therapy and Gene Therapy by the Food and Drug Administration
4. Donors of living cells U.S. Code title 21 section 1271 subpart C; http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?CFRPart=1271.
5. FDA guidance for industry: Source animal product preclinical and clinical issues concerning the use of xenotransplantation products in humans;http://www.fda.gov/BiologicsBloodVaccines/GuidanceCompliance RegulatoryInformation/Guidances/Xenotransplantation/ucm074354.htm.