In the Vinony graph
Within Vinony's link graph, H2A is referenced by 2 other articles, and connects out to United States, H-IIA and Histone H2A.
It is catalogued under the topic Letter–number combination disambiguation pages.
Its subject is documented across 5 Wikipedia language editions.
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Encyclopedic overview
H2A, H-2A or H-IIA can refer to: Histone H2A, a component of DNA higher structure in eukaryotic cells H-IIA, a family of Japanese rockets. H-2A visa, a temporary, nonimmigrant visa allowing foreign nationals entry into the U.S. for seasonal agricultural work.
Excerpted from Wikipedia’s “H2A” article, available under the CC BY-SA 4.0 licence.