Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
LAMSNM_0022929606LAMB2    150325
LamsNM_00848310090Lamb-2    Lamb2    150325

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

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Text2Knowledge ... Yong Huang 2002