Net differences in interview data on chronic conditions and information derived from medical records.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002140:California; D002908:Chronic Disease; D005260:Female; D006306:Health Surveys; D006801:Humans; D008297:Male; D008499:Medical Records; D008875:Middle Aged; D012494:Sampling Studies; D013223:Statistics as Topic