There is increasing evidence
that environmental inhalatory allergens
are not exclusively carried in
the atmosphere by so-called primary
allergen carriers, such as mite faecal
balls, pollen grains, etc., of relatively
big aerodynamic sizes, but also by
secondary allergen carriers, mostly
of (much) smaller dimensions.
There is increasing evidencethat environmental inhalatory allergensare not exclusively carried inthe atmosphere by so-called primaryallergen carriers, such as mite faecalballs, pollen grains, etc., of relativelybig aerodynamic sizes, but also bysecondary allergen carriers, mostlyof (much) smaller dimensions.
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