REFERENCES
- Cottrall, M. F., Frcnch, R. J. & Trott, N. G. pp. 347–370 in Medical Radioisotope Scintigraphy, vol. 1. (Proceedings of an IAEA symposium, Salzburg, 6–15 August 1968). IAEA Vienna, 1969.
- Forssman, O., Hollender, A., Pettersson, C. & Mulder, J. L. Scand. J. Gastroent. 1974, 9, Suppl 27, 10–11.