Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PPH21X588564932
PPH21Z741824932
PPH21X968764932
pph21AF3214674952
PPH210N/APPH1   

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

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Text2Knowledge ... Yong Huang 2002