Your Query returns 21 Accession Numbers:
Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Tnfrsf1aNM_01160910090FPF    p55    TNF-R    TNFAR    Tnfr1    p55-R    CD120a    TNF-R1    TNFR60    Tnfr-2    TNF-R-I    TNF-R55    TNFRp55    191190
Tnfrsf1aNW_04769610116
Tnfrsf1aNM_01309110116Tnfr1   
TNFRSF1ABC0101409606CD120a    TNF-R    TNF-R-I    TNF-R55    TNFAR    TNFR1    TNFR60    p55    p55-R    FPF    MGC19588    TBP1    TNFR55    p60    191190
TNFRSF1AAY1827559606191190
TNFRSF1AAY1319979606191190
TNFRSF1ANM_0010659606FPF    p55    p60    TBP1    TNF-R    TNFAR    TNFR1    p55-R    CD120a    TNFR55    TNFR60    TNF-R-I    TNF-R55    MGC19588    191190
TNFRSF1ANM_1746749913
Tnfrsf1aNT_03935610090191190
Tnfrsf1aAF32997610116
Tnfrsf1aAF32997710116
Tnfrsf1aAF32997810116
Tnfrsf1aAF32997910116
Tnfrsf1aAF32998010116
Tnfrsf1aAF32998110116
Tnfrsf1aBC05267510090p55    CD120a    TNF-R1    TNF-R55    TNFRp55    FPF    TNF-R    TNFAR    p55-R    TNFR60    TNF-R-I    191190
Tnfrsf1aBC00459910090p55    CD120a    TNF-R1    TNF-R55    TNFRp55    FPF    TNF-R    TNFAR    p55-R    TNFR60    TNF-R-I    191190
Tnfrsf1aAY54158810096
Tnfrsf1aAY54158910090191190
Tnfrsf1aAY54159010090191190
TNFRSF1ANT_0097599606191190

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

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Text2Knowledge ... Yong Huang 2002