1. Lauterbur, P. C., Image formation by induced local interactions: Examples employing nuclear magnetic resonance, Nature, 1973, 242: 190.
2. Chen, X. R., Shen, T. Z., Dan, X. Q. et al., CT and MRI in the Body (in Chinese), Shanghai: Shanghai Medical University Publishing Company, 1993, 73–80.
3. Luo, Y., Zhuo, R. X., Shi, Y. T., The recent research situation of magnetic resonance imaging contrast agents, World Pharmacy (in Chinese), 1995, 16(4): 200.
4. Haustein, J., Niedorf, H., Krestin, G. et al., Renal tolerance of gadolinium-DTPA dimeglumine in patients with chronic renal failure, Invest. Radiol., 1992, 27: 153.
5. Masui, T., Saeed, M., Wendland, M. F. et al., Occlusive and reperfused myocardial infarcts: MR imaging differentiation with nonionic Gd-DTPA-BMA, Radiology, 1991, 181: 72.