Your Query returns 9 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
SPN1BC0622999606SPN2    KRAG    SSPN   
SPN1NM_0050869606KRAG    SPN2    SSPN   
SPN1NC_0011484932IWS1   
Spn1BT0101107227
spn1Z989804896SPAC4F10.11   
spn1NC_0034244896SPAC4F10.11   
Spn1AE0037907227
Spn1NM_0802197227sp1    CG9456   
Spn1NT_0337787227sp1    CG9456   

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

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Text2Knowledge ... Yong Huang 2002