Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
smstNM_1317277955som    sst    PPSS2    sst2   
SmstNM_00921510090SS    SOM    SRIF    Sst   
SmstNM_01265910116Sst   
SMSTBC0326259606SST   
SMSTNM_0010489606SST   

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

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Text2Knowledge ... Yong Huang 2002