Ecco la primavera: allarme rinite allergica
Titolo: Hayfever
Descrizione: circa 1955: A mask being used in a research programme for hayfever sufferers. Air pressure from the lungs is converted into an electrical current which gives an 'electrical pattern' useful for determining individual responses to pollen. (Photo by Three Lions/Getty Images)
Crediti immagine: Getty Images
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