Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CD120aNM_01160910090FPF    p55    TNF-R    TNFAR    Tnfr1    p55-R    TNF-R1    TNFR60    Tnfr-2    TNF-R-I    TNF-R55    TNFRp55    Tnfrsf1a   
CD120aBC0101409606TNF-R    TNF-R-I    TNF-R55    TNFAR    TNFR1    TNFR60    p55    p55-R    FPF    MGC19588    TBP1    TNFR55    p60    TNFRSF1A   
CD120aNM_0010659606FPF    p55    p60    TBP1    TNF-R    TNFAR    TNFR1    p55-R    TNFR55    TNFR60    TNF-R-I    TNF-R55    MGC19588    TNFRSF1A   
CD120aBC05267510090p55    TNF-R1    TNF-R55    TNFRp55    FPF    TNF-R    TNFAR    p55-R    TNFR60    TNF-R-I    Tnfrsf1a   
CD120aBC00459910090p55    TNF-R1    TNF-R55    TNFRp55    FPF    TNF-R    TNFAR    p55-R    TNFR60    TNF-R-I    Tnfrsf1a   

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

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Text2Knowledge ... Yong Huang 2002