Your Query returns 5 Accession Numbers:
Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MaspinNM_00925710090Spi7    ovalbumin    Serpinb5   
maspinBC0207139606PI5    SERPINB5   
maspinNM_0026399606PI5    SERPINB5   
MaspinBC00543410090ovalbumin    Serpinb5   
MaspinNM_05710810116Pi5    Serpinb5   

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

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Text2Knowledge ... Yong Huang 2002