1. Abrams HL, McNeil BJ (1978) Medical implications of computed tomography. CAT Scanning 298: 255–261
2. Aichner F, Gerstenbrand F (1986) The impact of the new technologies in the neurological sciences. In: Battistin L, Gerstenbrand F (eds) PET and NMR: new perspectives in neuroimaging and in clinical neurochemistry. Liss, New York
3. Ambrose J, Gooding MR, Uttley D (1976) EMI scan in the management of head injuries. Lancet 1: 847–848
4. Evens RG (1980) The economics of computed tomography: comparison with other health care costs. Radiology 136: 509–510
5. Evens RG (1983) Cost of digital angiography in 1983. Impact on planning and charges. In: Felix R, et al. (eds) Contrast media in digital radiography. Excerpta Medica, Amsterdam, pp 396–402