Your Query returns 13 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MADH1AY2458889823
madh1NM_1313567955smad1    fb39h09    wu:fb39h09   
Madh1NW_04753510116
MADH1AY3698269598
MADH1AY3698279544
MADH1BC0018789606JV4-1    MADR1    SMAD1    BSP1    601595
Madh1NT_03946710090601595
Madh1BC05869310090Mlp1    Madr1    Smad1    MusMLP    601595
Madh1BC06175710116
Madh1NM_00853910090Mlp1    Madr1    Smad1    MusMLP    601595
MADH1NM_0059009606BSP1    JV4-1    MADR1    SMAD1    DKFZP586M0622    601595
MADH1NT_0166069606601595
Madh1NM_01313010116

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

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Text2Knowledge ... Yong Huang 2002