Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PaoxNM_15378310090Pao    2410012F02Rik   
PAOXBC0327789606DKFZp434J245    PAO   
PAOXNM_1529119606PAO    DKFZp434J245   
PaoxBC03391310090Pao   
PAOXNT_0177959606

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

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Text2Knowledge ... Yong Huang 2002