Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
nic1AL0318254896SPCC1884.02    SPCC757.01   
nic1AL0317874896SPCC757.01    SPCC1884.02   
nic1NM_1314457955chrna1   
nic1NC_0034214896SPCC1884.02    SPCC757.01   

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

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Text2Knowledge ... Yong Huang 2002