Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Fib-2NM_01018110090sy    sne    Fbn2   
fib-2AB07442310116
fib-2AB07442410116

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

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Text2Knowledge ... Yong Huang 2002