Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PMDBC0026659606PLP    SPG2    MMPL    PLP/DM20    PLP1    300401
PMDNM_0005339606PLP    SPG2    PLP1    300401

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

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Text2Knowledge ... Yong Huang 2002