Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
spleNM_1655087227CG11084    Pk-Sple    pk   
spleNM_1655097227CG11084    Pk-Sple    pk   
spleNM_1655127227CG11084    Pk-Sple    pk   
spleNT_0337787227CG11084    Pk-Sple    pk   
splEAF2956011280
splEAF2717151280

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

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Text2Knowledge ... Yong Huang 2002