DOI: 10.1055/s-00000034

Klinische Pädiatrie

References

Klauke DN, Buehler JW, Thacker SB, Parrish RG, Trowbridge FL, Berkelman RL. and the surveillance coordination group.
Guidelines for evaluating surveillance systems. 
MMWR Morb Mortal Wkly Rep 1988; 37 ((suppl S-5)) 1-18  

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