Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
NOS-IINM_01092710090iNOS    Nos-2    Nos2   
NOS-IIXM_14714910090iNOS    Nos2   
NOS-IIBC06237810090iNOS    Nos2   

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

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Text2Knowledge ... Yong Huang 2002