Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
RstnNM_02298410090ADSF    Fizz3    Retn    605565
RSTNNM_0204159606ADSF    FIZZ3    RETN1    RETN    605565
RSTNNM_1833629913RETN   
RstnBC05119610090ADSF    Fizz3    Retn    605565
RSTNAB1177189913
RSTNAJ4570699823

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

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Text2Knowledge ... Yong Huang 2002