Guidelines for evaluating surveillance systems.
D003625:Data Collection / Q000379:methods*; D005069:Evaluation Studies as Topic; D006285:Health Planning; D006295:Health Resources / Q000191:economics; D006801:Humans; D009017:Morbidity; D011159:Population Surveillance; D011237:Predictive Value of Tests; D012107:Research Design; D013997:Time Factors