Search Search Results You could also try: sign (352), representation (52), character (32), figure (65), mark (250), icon (11) Approvals for NHS-Related Research DescriptionResearch involving NHS service users, their tissue or data requires NHS Research Ethics Committee review from the Health Research Authority (HRAUrl/research/support-and-governance/governance-and-ethics/rgec-hub/approvals-for-nhs-related-research.aspx 1 to 1 of 1