Your Query returns 19 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
SSTR2AY3054019615
SSTR2M818299606182452
SSTR2M818309606182452
SSTR2L130339606182452
Sstr2NM_00921710090sst2    SSTR-2    Smstr2    Smstr-2    182452
Sstr2NW_04734310116
Sstr2NM_01934810116Smstr2   
SSTR2AY2365429606182452
SSTR2BC0196109606182452
SSTR2L346899606182452
SSTR2AF1841749606182452
SSTR2AY4006749606182452
SSTR2AY4006759598
SSTR2AY40067610090182452
SSTR2NM_1744679913
Sstr2NT_03952110090182452
SSTR2AF32994531033
SSTR2NT_0106419606182452
SSTR2NM_0010509606182452

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

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Text2Knowledge ... Yong Huang 2002