Clinical data bases. Accomplishments and unrealized potential.
D004812:Epidemiologic Methods; D006739:Hospital Administration; D007256:Information Systems / Q000458:organization & administration*; D008331:Management Information Systems; D008498:Medical Record Linkage; D008499:Medical Records; D012107:Research Design; D012984:Software; D013673:Technology Assessment, Biomedical / Q000379:methods; D014481:United States