Your Query returns 9 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Isg20NM_0205831009020kDa    DnaQL    HEM45    1600023I01Rik    2010107M23Rik    604533
ISG20BC0163419606HEM45    604533
ISG20BC0079229606HEM45    604533
ISG20AJ2491629606604533
isg20X897739606604533
ISG20NM_0022019606HEM45    604533
Isg20NT_03942810090604533
Isg20BC02275110090Dnaql    HEM45    20kDa    604533
ISG20NT_0102749606604533

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

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Text2Knowledge ... Yong Huang 2002