Your Query returns 12 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Tnfsf11NM_01161310090ODF    OPG    OPGL    RANKL    Ly109l    Trance    602642
Tnfsf11NW_04745410116
TNFSF11AY4158549606602642
TNFSF11AY4158559598
TNFSF11AY41585610090602642
TNFSF11NM_0037019606ODF    OPGL    sOdf    RANKL    TRANCE    hRANKL2    602642
TNFSF11NM_0330129606ODF    OPGL    sOdf    RANKL    TRANCE    hRANKL2    602642
Tnfsf11NT_03960610090602642
Tnfsf11AF33214110090602642
Tnfsf11AF42566910116
TNFSF11NT_0245249606602642
Tnfsf11NM_05714910116RANKL   

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

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Text2Knowledge ... Yong Huang 2002