Scott WilliamsNuclear MedicinePulmonary ReferencePULMREFScott WilliamsMay 30, 2007 Worsley DF, Kim CK, Alavi A, et al: Detailed analysis of patients with matched ventilation-perfusion defects and chest radiographic opacities. Journal of Nuclear Medicine 34:1851-3, 1993.Latest in Pulmonary ReferencePULMREFMay 30, 2007PULMREFMay 30, 2007PULMREFMay 30, 2007PULMREFMay 30, 2007