Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
GHF1ANM_01300810116Pit1    PIT1Z    Pou1f1   
GHF1ABC06156310116PIT1Z    Pit1    Pou1f1   
GHF1ABC06156410116PIT1Z    Pit1    Pou1f1   

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

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Text2Knowledge ... Yong Huang 2002