Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Pcdhb20NM_05314510090PcdhbT    Pcdhb14   
Pcdhb20NT_07884710090
Pcdhb20BC03189510090PcdhbT    Pcdhb14   

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

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Text2Knowledge ... Yong Huang 2002