Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Il11raNM_01054910090NR1    GP130    Il11ra1    600939
IL11RAAY5321109606600939
IL11RABC0031109606MGC2146    600939
IL11RANM_0045129606MGC2146    600939
IL11RANM_1471629606MGC2146    600939
IL11RANT_0084139606600939

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

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Text2Knowledge ... Yong Huang 2002