Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PTP-K1NM_01120610090FLP1    HSCF    Ptpk1    PTP-HSCF    Ptpn18   
PTP-K1BC00851210090FLP1    HSCF    Ptpk1    PTP-HSCF    Ptpn18   

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

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Text2Knowledge ... Yong Huang 2002