Research Support, U.S. Gov't, Non-P.H.S.Research Support, U.S. Gov't, P.H.S.Research Support, Non-U.S. Gov'tResearch Support, U.S. GovernmentResearch Support, American Recovery and Reinvestment ActResearch Support, N.I.H., ExtramuralResearch Support, N.I.H., IntramuralResearch Support as TopicResearchUnited StatesResearch PersonnelResearch DesignEthics, ResearchNursing ResearchHealth Services ResearchTranslational Medical ResearchGenetic ResearchPeriodicals as TopicBiomedical Research