[On Axel Key as pioneer of school hygiene and his trip to Budapest in 1897].
Ljunggren
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D002648:Child; D002669:Child Welfare / Q000266:history*; D004501:Education, Medical / Q000266:history*; D005101:Expeditions / Q000266:history*; D049711:History, Modern 1601-; D006801:Humans; D006814:Hungary; D006920:Hygiene / Q000266:history*; D013548:Sweden; D014195:Travel / Q000266:history*
Om Axel Key som pionjär inom skolhygienen och hans resa till Budapest 1897.