Your Query returns 19 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ORM1X057799606138600
ORM1X057809606138600
ORM1X057819606138600
ORM1X057829606138600
ORM1X057839606138600
ORM1X057849606138600
ORM1Y086874932
ORM1Y0868855189
ORM1Z728234932
Orm1NM_00876810090Agp-1    Agp-2    Orm-1    138600
Orm1NW_04771310116
ORM1BC0262389606AGP1    AGP-A    ORM    138600
ORM1NM_0006079606ORM    AGP1    AGP-A    138600
Orm1AL68382810090138600
Orm1NT_03926210090138600
Orm1BC01272510090Agp-1    Agp-2    138600
ORM1NT_0084709606138600
Orm1NM_05328810116AGP    Orm    Agpa1    orosomucoid   
ORM10N/A

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

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Text2Knowledge ... Yong Huang 2002