1. Dost FH: The blood levels. Kinetics of the concentration processes in the circulating liquid. Georg Thieme, Leipzig. 1953, DNB 450 986 519. 362 pages 96 figures
2. Ceci A, Felisi M, Baiardi P, Bonifazi F, Catapano M, Giaquinto C, Nicolosi A, Sturkenboom M, Neubert A, Wong I: Medicines for children licensed by the European medicines agency (EMEA): the balance after 10 years. Eur J Clin Pharmacol. 2006, 62 (11): 947-952. 10.1007/s00228-006-0193-0.
3. EMEA: The paediatric regulation. Paediatric team. Scientific advice, paediatrics & orphan drugs sektor. 2007, http://www.emaeuropaeu/docs/en_GB/document_library/Presentation/2009/10/WC500004243pdf ,
4. Bucheler R, Schwab M, Morike K, Kalchthaler B, Mohr H, Schroder H, Schwoerer P, Gleiter CH: Off label prescribing to children in primary care in Germany: retrospective cohort study. BMJ. 2002, 324 (7349): 1311-1312. 10.1136/bmj.324.7349.1311.
5. Muhlbauer B, Janhsen K, Pichler J, Schoettler P: Off-label use of prescription drugs in childhood and adolescence: an analysis of prescription patterns in Germany. Deutsches Arzteblatt int. 2009, 106 (3): 25-31.