Doria, Andrea S Legg-Calvé-Perthes disease: multipositional power Doppler sonography of the proximal femoral vascularity. [electronic resource] - Pediatric radiology Apr 2008 - 392-402 p. digital Publication Type: Journal Article ISSN: 0301-0449 Standard No.: 10.1007/s00247-007-0726-4 doi Subjects--Topical Terms: Analysis of VarianceChildChild, PreschoolFemaleFemur Head--blood supplyHumansImage Processing, Computer-AssistedLegg-Calve-Perthes Disease--diagnostic imagingMaleUltrasonography, Doppler, Color--methods