Your Query returns 8 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
HOAT1NM_0047909606OAT1    PAHT    ROAT1    MGC45260    SLC22A6   
HOAT1NM_1532769606OAT1    PAHT    ROAT1    MGC45260    SLC22A6   
HOAT1NM_1532779606OAT1    PAHT    ROAT1    MGC45260    SLC22A6   
HOAT1NM_1532789606OAT1    PAHT    ROAT1    MGC45260    SLC22A6   
HOAT1NM_1532799606OAT1    PAHT    ROAT1    MGC45260    SLC22A6   
HOAT1BC0336829606ROAT1    PAHT    MGC45260    OAT1    SLC22A6   
hOAT1AB0096979606
hOAT1AB0096989606

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

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Text2Knowledge ... Yong Huang 2002