Federal aid to dependent variables: surveying the health services research landscape.
Deykin
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Health Services Research and Development Service, Department of Veterans Affairs (VA) Medical Center, Boston, MA 02115.
D002986:Clinical Trials as Topic; D015331:Cohort Studies; D004059:Diffusion of Innovation; D006302:Health Services Research / Q000458:organization & administration*; D006801:Humans; D007373:Interinstitutional Relations; D015233:Models, Statistical; D009937:Organizational Objectives; D015983:Selection Bias; D014481:United States; D014493:United States Department of Veterans Affairs