Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
poxmNM_0795527227P29    meso    Pox-m    CG9610    Pox-meso   
poxmNM_1692167227P29    meso    Pox-m    CG9610    Pox-meso   
poxmNT_0337777227P29    meso    Pox-m    CG9610    Pox-meso   
PoxmAE0036787227

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

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Text2Knowledge ... Yong Huang 2002