Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
T28D6.9NC_0032816239CELK07464    pen-2   
T28D6.9NM_0670586239CELK07464    pen-2   

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

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Text2Knowledge ... Yong Huang 2002