Your Query returns 11 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Drd1NM_01007610090Drd-1    Gpcr15    C030036C15Rik    Drd1a    126449
Drd1NM_01254610116D1a    Drd-1    Drd1a   
Drd1NM_01313710116Cak    PTK3D    Ddr1   
DRD1AY4197159606126449
DRD1AY4197169598
DRD1AY41971710090126449
DRD1AY0835439544
DRD1NM_0007949606DADR    DRD1A    126449
DRD1AF4989619606126449
DRD1NM_1740429913
DRD1NT_0231339606126449

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

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Text2Knowledge ... Yong Huang 2002