Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
BSPINM_00926310090Eta    Opn    Ric    BNSP    Opnl    Apl-1    ETA-1    Spp-1    minopontin    Spp1   
BSPIBC0070169606BNSP    ETA-1    OPN    SPP1   
BSPIBC0173879606BNSP    ETA-1    OPN    SPP1   
BSPIBC0228449606BNSP    ETA-1    OPN    SPP1   
BSPINM_0005829606OPN    BNSP    ETA-1    SPP1   
BSPIBC05785810090minopontin    BNSP    ETA-1    Spp1   

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

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Text2Knowledge ... Yong Huang 2002