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. 2014 May 13;9(5):e93502. doi: 10.1371/journal.pone.0093502

Figure 1. Schematic overview of the bi-directional phase-contrast mammography setup.

Figure 1

The setup consists of a conventional x-ray tube, a source grating G 0, a phase grating G 1, an analyser grating G 2 and a flat panel detector. The two-directional, orthogonal scanning approach is indicated by a 90° rotation of the gratings. For practical reasons the rotation of the specimen was preferred.