Your Query returns 12 Accession Numbers:
Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PRGBC0223139606PPG    SERGLYCIN    PRG1    177040
PRGBC0155169606PPG    SERGLYCIN    PRG1    177040
PRGNM_0027279606PPG    MGC9289    PRG1    177040
prgX8077435758
PrgNM_01115710090Sgc    177040
PrgNT_03949510090177040
PRGG674719606177040
PRGG674729606177040
PRGG674739606177040
PRGG674749606177040
PRGG674759606177040
PrgBC03707610090177040

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

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Text2Knowledge ... Yong Huang 2002