What's in a number? The use and abuse of survey data.
Simpson
D M
DM
National Immunization Program, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA.
Rodewald
L E
LE
Barker
L E
LE
D016001:Confidence Intervals; D003627:Data Interpretation, Statistical; D019538:Health Care Surveys; D006801:Humans; D017589:Immunization Programs / Q000706:statistics & numerical data*; D014481:United States