Fig. 1From: Accuracy and precision of volumetric bone mineral density assessment using dual-source dual-energy versus quantitative CT: a phantom studyIllustration of the European spine phantom (blue, brown) (ESP-040; QRM GmbH, Moehrendorf, Germany) and the QCT bone density calibration phantom (white, below) (BDC-03-29; QRM GmbH, Moehrendorf, Germany). Labels of the manufacturers have been removed. QCT, Quantitative computed tomographyBack to article page