Your Query returns 17 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
gap3AY016739573gap   
gap3L074991172
gap3AP003584103690
gap3AF0224215722
gap3AY03358491375
gap3AY033585160597
gap3AY033586160599
gap3X912371140
gap3AJ0072721216
gap3BX56969184588
gap3AE017165167539
GAP3AH0047924911
GAP3S802464911
GAP3S802534911
gap3NC_003272103690
gap3NC_00507084588
gap3NC_005042167539

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

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Text2Knowledge ... Yong Huang 2002