最終更新日：2022/12/24
In my lecture on Dust and Disease in 1870 , I referred to an experiment made by Helmholtz upon himself which strikingly connected hay fever with animalcular life.
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In my lecture on Dust and Disease in 1870 , I referred to an experiment made by Helmholtz upon himself which strikingly connected hay fever with animalcular life.
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