Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CDA2BC0062969606AID    HIGM2    ARP2    AICDA   
CDA2NM_0206619606AID    ARP2    HIGM2    AICDA   
cda2AJ0058113702
CDA2AF0806763702
CDA20N/A

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

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Text2Knowledge ... Yong Huang 2002