Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Ptpn8NT_03923910090
Ptpn8BC05537710090PEP    70zpep   
Ptpn8NM_00897910090PEP    70zpep   

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

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Text2Knowledge ... Yong Huang 2002