Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ACVRIP1NM_0123019606ARIP1    MAGI-2    KIAA0705    AIP1   
Acvrip1BC05900510090Acvri1    Acvrinp1   
Acvrip1NM_01582310090Acvri1    mKIAA0705    Acvrinp1   
Acvrip1NW_04768710116
Acvrip1NM_05362110116

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

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Text2Knowledge ... Yong Huang 2002