Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PtgirNM_00896710090IP    600022
PTGIRAY2421349606600022
PTGIRNM_0009609606IP    PRIPR    600022
PtgirNT_03939510090600022
PTGIRNT_0111099606600022

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

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Text2Knowledge ... Yong Huang 2002