Your Query returns 12 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PDGFRBJ032789606173410
PDGFRBM304939606173410
PdgfrbNM_00880910090Pdgfr    CD140b    173410
PDGFRBBC0322249606JTK12    CD140B    PDGF-R-beta    PDGFR1    PDGFR    173410
PDGFRBU331729606173410
PDGFRBNM_0026099606JTK12    PDGFR    CD140B    PDGFR1    PDGF-R-beta    173410
PdgfrbNT_08238110090173410
PdgfrbAF35935610116
PdgfrbAY09078310116
PdgfrbBC05531110090CD140b    173410
PdgfrbNM_03152510116
PDGFRBNT_0292899606173410

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

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Text2Knowledge ... Yong Huang 2002