Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
OXI1NC_0012244932OXII    COX2   
OXI1X9597346617
oxi1AJ242575382
oxi1X734144903
oxi1X7341558637

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

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Text2Knowledge ... Yong Huang 2002