Your Query returns 9 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
G18BC0315909606CIS    CIS-1    SOCS    CISH   
G18BC0643549606CIS    CIS-1    SOCS    CISH   
G18BC0187249606G18.2    C6orf9    NG1    G18.1a    G18.1b    GPSM3   
G18NM_0133249606CIS    SOCS    CIS-1    CISH   
G18NM_1450719606CIS    SOCS    CIS-1    CISH   
G18NM_0221079606NG1    G18.2    C6orf9    G18.1a    G18.1b    GPSM3   
g18AF36367565017
G18AF1322979606
G18BX88304410116

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

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Text2Knowledge ... Yong Huang 2002