Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PDES1BBC0322269606PDE1B1    PDE1B    171891
PDES1BNM_0009249606PDE1B1    PDE1B    171891

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

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Text2Knowledge ... Yong Huang 2002