Your Query returns 23 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
abcG2AF48238144689
Abcg2NM_01192010090MXR    ABCP    BCRP    MXR1    ABC15    Bcrp1    603756
ABCG2AB0518559606603756
Abcg2NW_04769310116
ABCG2AY0171689606603756
ABCG2AF4635199606603756
ABCG2BC0212819606BCRP    ABCP    MXR1    ABC15    MXR    EST157481    BCRP1    BMDP    MRX    603756
ABCG2AY2883079606603756
ABCG2AY2897669606603756
ABCG2AH0112139606603756
ABCG2AF3563479606603756
ABCG2AF3563489606603756
ABCG2NM_0048279606MRX    MXR    ABCP    BCRP    BMDP    MXR1    ABC15    BCRP1    EST157481    603756
abcg2AB09408910116
abcg2AB10581710116
Abcg2AF10387510090603756
Abcg2NT_03934310090603756
Abcg2AY08999610116
Abcg2AY08999710116
Abcg2AY08999810116
Abcg2BC05373010090MXR    ABCP    BCRP    MXR1    ABC15    Bcrp1    603756
ABCG2NT_0163549606603756
Abcg2NM_18138110116

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

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Text2Knowledge ... Yong Huang 2002