Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ABC15NM_01192010090MXR    ABCP    BCRP    MXR1    Bcrp1    Abcg2   
ABC15BC0212819606BCRP    ABCP    MXR1    MXR    EST157481    BCRP1    BMDP    MRX    ABCG2   
ABC15NM_0048279606MRX    MXR    ABCP    BCRP    BMDP    MXR1    BCRP1    EST157481    ABCG2   
ABC15BC05373010090MXR    ABCP    BCRP    MXR1    Bcrp1    Abcg2   

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

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Text2Knowledge ... Yong Huang 2002