Your Query returns 11 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
gef1Z541424896SPAC24H6.09   
GEF1BC0340139606P115-RHOGEF    SUB1.5    LBCL2    ARHGEF1   
GEF1BC0051559606P115-RHOGEF    SUB1.5    LBCL2    ARHGEF1   
GEF1BC0117269606P115-RHOGEF    SUB1.5    LBCL2    ARHGEF1   
GEF1NM_0047069606LBCL2    SUB1.5    P115-RHOGEF    ARHGEF1   
GEF1NM_1989779606LBCL2    SUB1.5    P115-RHOGEF    ARHGEF1   
GEF1NM_1990029606LBCL2    SUB1.5    P115-RHOGEF    ARHGEF1   
GEF1BC0672629606P115-RHOGEF    SUB1.5    LBCL2    ARHGEF1   
GEF1Z231174932
GEF1Z495404932
GEF1NC_0011424932CLC   

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

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Text2Knowledge ... Yong Huang 2002