Your Query returns 12 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MADH4AF1202809823
Madh4NW_04751610116
MADH4BC0023799606DPC4    SMAD4    JIP    600993
MADH4AY4116339606600993
MADH4AY4116349598
MADH4AY41163510090600993
MADH4NM_0053599606JIP    DPC4    SMAD4    600993
Madh4NT_08238310090600993
Madh4BC04658410090Smad4    DPC4    600993
Madh4NM_01927510116Smad4   
MADH4NT_0109669606600993
Madh40N/ADPC4    Smad4    D18Wsu70e   

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

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Text2Knowledge ... Yong Huang 2002