Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
hRANKL2NM_0037019606ODF    OPGL    sOdf    RANKL    TRANCE    TNFSF11   
hRANKL2NM_0330129606ODF    OPGL    sOdf    RANKL    TRANCE    TNFSF11   

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

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Text2Knowledge ... Yong Huang 2002