1. Harper PV et al. Technetium99m iron complex. In: Radioactive Pharmaceutic USAEC Symposium, series No. 6, Andrews GE et al. (eds), 1966, p. 347–351.
2. Hauser W et al. Renal uptake of 99mTc iron ascorbic acid complex in man. Radiology 101: 637, 1971.
3. Halpern SE et al. 99mTc penicillamine-acetazolamide complex. A new renal scanning agent. J. Nucl. Med. 13:45, 1972.
4. Halpern SE et al. 99mTPAC a new renal scanning agent II evaluation in hum J. Nucl. Med. 13:723, 1972.
5. Tubis M et al. 99mTc- Penicillamine complexes. In: Radiopharmaceuticals. Society of Nuclear Medicine, New York, Subramanian G et al. (eds), 1975, p. 55–62.