Ethics - Legal Rules and Regulations Federal Guidelines

NIH website on Conflict of Interest contains a variety of commentary on financial conflict of interest as well as the official policy: http://grants.nih.gov/grants/policy/coi/

NIH regulations on the use of human subjects:
http://www.hhs.gov/ohrp/humansubjects/guidance/45cfr46.htm

Link to Ethics for US Government Employees ( pdf document)
Link to PHS Policy on Research Objectivity ( pdf document)
Link to VA Ethics Rules ( pdf document)