Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CDHF12BC0030729606HSCR1    MEN2A    MEN2B    MTC1    PTC    RET51    RET   
CDHF12BC0042579606HSCR1    MEN2A    MEN2B    MTC1    PTC    RET51    RET   
CDHF12NM_0003239606PTC    MTC1    HSCR1    MEN2A    MEN2B    RET51    RET   
CDHF12NM_0209759606PTC    MTC1    HSCR1    MEN2A    MEN2B    RET51    RET   
CDHF12NM_0206299606PTC    MTC1    HSCR1    MEN2A    MEN2B    RET51    RET   
CDHF12NM_0206309606PTC    MTC1    HSCR1    MEN2A    MEN2B    RET51    RET   

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

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Text2Knowledge ... Yong Huang 2002