1. Agha, N., Persson, R.B.R.: Comparative labelling and biokinetic studies of 99mTc-EDTA (Sn) and 99mTc-DTPA (Sn). Nucl. Med. 16, 30?35 (1977)
2. Barbour, G.L., Crumb, C.K., Boyd, C.M., Reeves, R.D., Rastogi, S.P., Patterson, R.M.: Comparison of inulin, iothalamate and 99mTc-DTPA for measurement of glomerular filtration rate. J. Nucl. Med. 17, 317?320 (1976)
3. Br�chner-Mortensen, J.: Routine methods and their reliability for assessment of glomerular filtration rate in adults. Dan. Med. Bull. 25, 181?202 (1978)
4. Br�chner-Mortensen, J., Christoffersen, J.: Single injection (51Cr) EDTA plasma clearance determination in children using capillary blood samples. Scand. J. Clin. Lab. Invest. 37, 631?633 (1977)
5. Br�chner-Mortensen, J., Haahr, J., Christoffersen, J.: A simple method for accurate assessment of the glomerular filtration rate in children. Scand. J. Clin. Lab. Invest. 30, 139?143 (1974)