Ptychographic X-ray computed tomography at the nanoscaleMartin Dierolf, Franz Pfeiffer, Philipp Schneider et al.|Nature|2010Cited by 916
European semi-anthropomorphic spine phantom for the calibration of bone densitometers: Assessment of precision, stability and accuracy the European quantitation of osteoporosis study groupJohn Pearson, G. Wittenberg, J. Kalef-Ezras et al.|Osteoporosis International|1995Cited by 111