Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Siglec-3NM_02129310090gp67    Cd33   
SIGLEC-3BC0281529606p67    CD33   
SIGLEC-3AY1624649606CD33   
SIGLEC-3NM_0017729606p67    CD33   

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

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Text2Knowledge ... Yong Huang 2002