Your Query returns 10 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
nNOSNM_1316607955nos    nos1   
nNOSNM_00871210090NO    bNOS    Nos-1    Nos1   
nnosAY2115287955
nNOSU767399940
nNOSAH0066699606
nNOSU663609606
nNOSU663619606
nNOSU663629606
nNOSU7673710141
nNOSAB1634308090

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

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Text2Knowledge ... Yong Huang 2002