Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Bbs6NM_021527100901300013E18Rik    Mkks    604896
BBS6BC0289739606HMCS    KMS    MKS    MKKS    604896
BBS6NM_0188489606KMS    MKS    HMCS    MKKS    604896
BBS6NM_1707849606KMS    MKS    HMCS    MKKS    604896
Bbs6BC02435910090Mkks    604896

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

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Text2Knowledge ... Yong Huang 2002