Your Query returns 9 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
SmohNM_17699610090bnb    D13Mgi8    E130215L21Rik    Smo    601500
SMOHBC0099899606Gx    SMO    601500
SMOHNM_0056319606Gx    SMO    601500
SmohBC04809110090D13Mgi8    Smo    601500
SmohBC03037710090D13Mgi8    Smo    601500
smohNM_1310277955smo    CHUNP6862   
SmohNW_04768910116
SmohNM_01280710116
smohAF3958097955

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

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Text2Knowledge ... Yong Huang 2002