Your Query returns 9 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
SEPN1BC0421549606RSMD1    SELN    MDRS1    RSS    606210
SEPN1BC0156389606RSMD1    SELN    MDRS1    RSS    606210
SEPN1AJ3063989606606210
SEPN1AJ3063999606606210
SEPN1NM_0204519606RSS    SELN    MDRS1    RSMD1    606210
SEPN1NT_0374859606606210
Sepn1NM_029100100901110019I12Rik    606210
Sepn1BC04366510090606210
Sepn1BC02258510090606210

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

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Text2Knowledge ... Yong Huang 2002