Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
skrrBC05124810090Ryr1   
skrrBC05548710090Ryr1   
skrrNM_00910910090Ryr    Ryr1   

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

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Text2Knowledge ... Yong Huang 2002