Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
sdf-1bNM_1980687955cxc112b    cxcl12b   
SDF-1bNM_0006099606PBSF    SDF1    SDF1A    SDF1B    TPAR1    SCYB12    SDF-1a    TLSF-a    TLSF-b    CXCL12   
SDF-1bNM_1991689606PBSF    SDF1    SDF1A    SDF1B    TPAR1    SCYB12    SDF-1a    TLSF-a    TLSF-b    CXCL12   
SDF-1bBC0398939606SCYB12    SDF1A    SDF1B    SDF1    SDF-1a    PBSF    TLSF-a    TLSF-b    TPAR1    CXCL12   
SDF-1bAB0119669685

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

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Text2Knowledge ... Yong Huang 2002