Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
LAMANNM_01076410090Man2b1   
LAMANBC0007369606MANB    MAN2B1   
LAMANNM_0005289606MANB    MAN2B1   
LAMANBC00543010090Man2b1   

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

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Text2Knowledge ... Yong Huang 2002