[Disease clusters, 'your own backyard' and demographic synchronization].
D016000:Cluster Analysis; D006801:Humans; D007231:Infant, Newborn; D009426:Netherlands / Q000453:epidemiology; D009436:Neural Tube Defects / Q000453:epidemiology*
Ziekteclusters, 'de eigen achtertuin' en demografische synchronisatie.