Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Angptl1NM_02833310090ANG3    ANGY    ARP1    ANGPT3    2810039D03Rik   
ANGPTL1BC0506409606ANGPT3    ANG3    ARP1    AngY   
ANGPTL1NM_0046739606ANG3    ARP1    AngY    ANGPT3    UNQ162   
Angptl1NT_03918510090
ANGPTL1NT_0044879606

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

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Text2Knowledge ... Yong Huang 2002