Study design and public health planning.
Truman
B I
BI
Chronic Disease Surveillance Branch, CDC, Atlanta, GA 30333, USA.
D000368:Aged; D000369:Aged, 80 and over; D002908:Chronic Disease / Q000453:epidemiology; D003625:Data Collection / Q000379:methods; D016208:Databases, Factual; D006285:Health Planning / Q000379:methods*; D006801:Humans; D015233:Models, Statistical; D011159:Population Surveillance / Q000379:methods*; D012042:Registries; D012107:Research Design; D014481:United States; D014612:Vaccines / Q000009:adverse effects
D014612:Vaccines