Your Query returns 7 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
TPH2BC0053559606TRPO    TDO    TDO2    191070
TPH2NM_0056519606TDO    TRPO    TDO2    191070
Tph2NM_17339110090Ntph    191070
TPH2NM_1733539606NTPH    FLJ37295    191070
Tph2NT_03950010090191070
TPH2NT_0294199606191070
Tph2NM_17383910116Ntph   

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

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Text2Knowledge ... Yong Huang 2002