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National Institute of Allergy and Infectious Disease
NIH 3D
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Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

NIH3D

Silver birch (Betula pendula) pollen grain

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Betula pendula - Silver birch.wrl

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wrl

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betula_pendula_-_silver_birch

betula_pendula_-_silver_birch

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Supplemental Mesh File

Betula pendula - Silver birch.zip

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zip
Supplemental Mesh File

Betula pendula.zip

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zip
Supplemental Documentation File

EMS Eng Sci j 2 2017_30.pdf

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pdf