THE SIZE AND WEIGHT OF COMMON ALLERGENIC POLLENS
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[1] S. Feinberg,et al. Studies in pollen potency , 1933 .
[2] O. Durham. The volumetric incidence of atmospheric allergens:I. Specific gravity of pollen grains , 1943 .
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[1] S. Feinberg,et al. Studies in pollen potency , 1933 .
[2] O. Durham. The volumetric incidence of atmospheric allergens:I. Specific gravity of pollen grains , 1943 .