Consumer research on messages to prevent medical errors.
D000368:Aged; D015142:Baltimore; D003254:Consumer Advocacy; D003299:Cooperative Behavior; D005260:Female; D017144:Focus Groups; D006266:Health Education; D006801:Humans; D008297:Male; D019300:Medical Errors / Q000517:prevention & control*; D006278:Medicare; D010817:Physician-Patient Relations; D014768:Virginia