Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
H3f2NM_17821610090H3-615    Hist2h3ca1    Hist2h3c1    142780
H3f2NM_01946910090H3-615    Hist2h3ca1    Hist2h3c1    142780
H3F2NM_0210599606H3    H3.2    H3/M    H3FM    MGC9629    HIST2H3C    142780
H3F2M261509606142780
H3F2M113549606142780
H3F2M113539606142780

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* OMIM link based on symbol match for human and mouse.

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Text2Knowledge ... Yong Huang 2002