Your Query returns 24 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
slc6a3NM_1317557955dat   
Slc6a3NM_01002010090DAT    Dat1    126455
Slc6a3NW_04754910116
SLC6A3AF1191179606DAT1    126455
SLC6A3M951679606126455
SLC6A3AF1153829606126455
SLC6A3AY4078989606126455
SLC6A3AY4078999598
SLC6A3AY40790010090126455
SLC6A3AH0100129606126455
SLC6A3AF3065589606126455
SLC6A3AF3213209606126455
SLC6A3AF3065599606126455
SLC6A3AF3065609606126455
SLC6A3AF3065619606126455
SLC6A3AF3065629606126455
SLC6A3AF3065639606126455
SLC6A3AF3065649606126455
SLC6A3AF3213219606126455
SLC6A3NM_0010449606DAT    DAT1    126455
Slc6a3NT_07871310090126455
Slc6a3BC05411910090DAT    126455
SLC6A3NT_0230899606126455
Slc6a3NM_01269410116Dat1   

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

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Text2Knowledge ... Yong Huang 2002