Your Query returns 21 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Arhgap4NM_13863010090c1    A530015A20Rik   
ARHGAP4NM_0016669606C1    KIAA0131    RhoGAP4    RGC1   
Arhgap4NW_04805210116
ARHGAP4AY1831239606
ARHGAP4BC0523039606C1    KIAA0131    RGC1    RhoGAP4   
ARHGAP4BC0236269606C1    KIAA0131    RGC1    RhoGAP4   
Arhgap4NT_03970810090
Arhgap4NT_03974510090
Arhgap4AF40163510116
Arhgap4AY18312410090
Arhgap4AY18312510090
Arhgap4AY18312610090
Arhgap4AY18312810090
Arhgap4AY18312910090
Arhgap4AY18313010090
Arhgap4AY18313110090
Arhgap4AY18313210090
Arhgap4AY18313310090
Arhgap4AY18312710090
ARHGAP4NT_0259659606
Arhgap4NM_14474010116

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

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Text2Knowledge ... Yong Huang 2002