Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Gdf-1NM_00810710090UOG-1    Gdf1   
GDF-1M623029606
GDF-1M5763910090
GDF-1M6230110090

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

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Text2Knowledge ... Yong Huang 2002