Your Query returns 7 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Wnt-7aNM_00952710090px    tw    Wnt7a   
Wnt-7aM8980110090
Wnt-7aM912567852
Wnt-7aM912618849
Wnt-7aM912958336
Wnt-7aM912859103
wnt-7AL075338355

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

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Text2Knowledge ... Yong Huang 2002