Your Query returns 8 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Sntb1NM_01666710090600026
SNTB1NM_0210219606A1B    SNT2    BSYN2    DAPA1B    SNT2B1    TIP-43    FLJ22442    600026
SNTB1U8999710090600026
Sntb1NT_07878210090600026
Sntb1BC00374810090600026
SNTB1NT_0080469606600026
SNTB1AB1058109031
SNTB1AB1153269031

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

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Text2Knowledge ... Yong Huang 2002