Your Query returns 9 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Usp4NM_01167810090Unp    F730026I20Rik    603486
Usp4NT_03947710090603486
Usp4NT_03948710090603486
Usp4BC01134110090603486
USP4NM_0033639606UNP    603486
USP4NM_1994439606UNP    603486
Usp4BC06618010090603486
Usp4BC06686510090603486
USP4NT_0225179606603486

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

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Text2Knowledge ... Yong Huang 2002