Contrast-enhanced power doppler US in legg-calve-perthes disease: clinical application and scintigraphic correlation - Doria, Andréa Schwarz; Guarniero, Roberto; Buchpiguel, Carlos Alberto; Godoy Júnior, Rui Maciel de; Castro, C. C.; Cerri, Giovanni Guido (Annual Meeting of the Society for Pediatric Radiology, 2000)