[The Norwegian public health service celebrates].
Nylenna
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D006296:Health Services / Q000266:history*; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009664:Norway; D015980:Public Health Practice / Q000266:history*