Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Il11ra1NM_01054910090NR1    GP130    Il11ra   
Il11ra1NW_04771110116
Il11ra1NT_03926010090
Il11ra1BC00461910090NR1   
Il11ra1BC05766410090NR1    GP130   
Il11ra1NM_13911610116

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

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Text2Knowledge ... Yong Huang 2002