Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
IFNB2BC0279789606BSF2    HGF    HSF    IL-6    IL6    147620
IFNB2BC0155119606BSF2    HGF    HSF    IL-6    IL6    147620
IFNB2NM_0006009606HGF    HSF    BSF2    IL-6    IL6    147620
Ifnb2NM_01258910116ILg6    Il6   

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

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Text2Knowledge ... Yong Huang 2002