1. 1. K.B. Meyer, N.E. Madias, Miner Electrolyte Metab., 20 (4),201-13 (1994)
2. 2. P.E. Kintzel, Drug Saf., 24 (1),19-38 (2001).
3. 3. G. Daugaard, Dan Med Bull., 37 (1),1-12 (1990).
4. 4. M. Lynn, M.D. Schuchter, Oncology., 11, No 4 (1997)
5. 5. C. Nieder, N.H. Andratschke, N. Wiedenmann, M. Molls, Anticancer Res., 24 (6),3803-9 (2004).