Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
BgsNM_00975210090Bge    Bgl    Bgt    Bgl-e    Bgl-s    Bgl-t    Glb1   
BgsBC00399810090Bgl-t    Bgt    Bgl-e    Bge    Bgl-s    Glb1   

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

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Text2Knowledge ... Yong Huang 2002