Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PMI1BC0463579606PMI    MPI    154550
PMI1BC0173519606PMI    MPI    154550
PMI1NM_0024359606PMI    MPI    154550
PMI1X820245476
PMI1X760579606154550

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

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Text2Knowledge ... Yong Huang 2002