History of mammography:
1964 – 1986
1Comparison of Anode/Filter Combinations in Digital Mammography with Respect to the Average Glandular Dose Uhlenbrock DF, Mertelmeier T
2Xeroradiography is a precursor to digital mammography and CR. It used an amorphous selenium plate as the X-ray receptor with the image being stored as a charge distribution. The imprint on paper was achieved with a toner with the charge on the plate attracting toner particles.