Your Query returns 12 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
cxcl12NM_1783077955SDF-1    sdf1a    sdf-1a    cxcl12a   
Cxcl12NM_01365510090PBSF    Sdf1    TLSF    SDF-1    Sdf1a    Sdf1b    TPAR1    Scyb12    TLSF-a    TLSF-b    PBSF/SDF-1    600835
Cxcl12NM_02170410090PBSF    Sdf1    TLSF    SDF-1    Sdf1a    Sdf1b    TPAR1    Scyb12    TLSF-a    TLSF-b    PBSF/SDF-1    600835
Cxcl12NW_04769610116
Cxcl12NM_02217710116Sdf1   
CXCL12NM_0006099606PBSF    SDF1    SDF1A    SDF1B    TPAR1    SCYB12    SDF-1a    SDF-1b    TLSF-a    TLSF-b    600835
CXCL12NM_1991689606PBSF    SDF1    SDF1A    SDF1B    TPAR1    SCYB12    SDF-1a    SDF-1b    TLSF-a    TLSF-b    600835
Cxcl12NT_03935310090600835
Cxcl12BC04682710090PBSF    TPAR1    TLSF    PBSF/SDF-1    SDF-1    Scyb12    TLSF-a    TLSF-b    600835
Cxcl12BC00664010090PBSF    TPAR1    TLSF    PBSF/SDF-1    SDF-1    Scyb12    TLSF-a    TLSF-b    600835
CXCL12BC0398939606SCYB12    SDF1A    SDF1B    SDF1    SDF-1a    SDF-1b    PBSF    TLSF-a    TLSF-b    TPAR1    600835
CXCL12NT_0339859606600835

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

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Text2Knowledge ... Yong Huang 2002