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2. Ganguli, P. C. & Hunter, W. M. pp. 54–60 in Kirkham, K. E. & Hunter, W. M. (eds.)Radioimmunoassay Methods.Churchill Livingstone, Edinburgh. 1971.
3. Ganguli, P. C. pp. 390–391 in Kirkham, K. E. & Hunter, W. M. (eds.)Radioimmunoassay Methods.Churchill Livingstone, Edinburgh, 1971.