Your Query returns 7 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Flt4NM_00802910090Chy    Flt-4    VEGFR3    VEGFR-3    136352
FLT4S664079606136352
FLT4NM_1829259606PCL    VEGFR3    136352
FLT4NM_0020209606PCL    VEGFR3    136352
Flt4NT_03951510090136352
FLT4NT_0774519606136352
Flt4NM_05365210116Vegfr3   

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

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Text2Knowledge ... Yong Huang 2002