Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Cxxc3NM_01359410090PCM1    Mbd1   
CXXC3NM_0158479606PCM1    MBD1   
CXXC3NM_0023849606PCM1    MBD1   
CXXC3NM_0158459606PCM1    MBD1   
CXXC3NM_0158469606PCM1    MBD1   
CXXC3NM_0158449606PCM1    MBD1   

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

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Text2Knowledge ... Yong Huang 2002