Optimization of contrast material delivery for dual-energy computed tomography pulmonary angiography in patients with suspected pulmonary embolism: $hJohn W. Nance, Thomas Henzler, Mathias Meyer, Paul Apfaltrer, Margarita Braunagel, Radko Krissak, Uwe J. Schoepf, Stefan O. Schoenberg, and Christian Fink - Nance, John William; Henzler, Thomas; Meyer, Mathias; Apfaltrer, Paul; Braunagel, Margarita; Kriššák, Radko; Schönberg, Stefan; Fink, Christian (Investigative radiology, 2012)