Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CD140bNM_00880910090Pdgfr    Pdgfrb   
CD140BBC0322249606JTK12    PDGF-R-beta    PDGFR1    PDGFR    PDGFRB   
CD140BNM_0026099606JTK12    PDGFR    PDGFR1    PDGF-R-beta    PDGFRB   
CD140bBC05531110090Pdgfrb   

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

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Text2Knowledge ... Yong Huang 2002