1. Pastor PN, Reuben CA: Diagnosed Attention Deficit Hyperactivity Disorder and Learning Disability: United States, 2004–2005. Vital Health Stat. 2008, National Center for Health Statistics, 10.
2. Safer DJ, Zito JM, Fine EM: Increased methylphenidate usage for attention deficit disorder in the 1990s. Pediatrics. 1996, 98: 1084-1088.
3. Zito JM, Safer DJ, dosReis S, Gardner JF, Boles M, Lynch F: Trends in the prescribing of psychotropic medications to preschoolers. JAMA. 2000, 283: 1025-1030. 10.1001/jama.283.8.1025.
4. Habel LA, Schaefer CA, Levine P, Bhat AK, Elliott G: Treatment with stimulants among youths in a large California health plan. J Child Adolesc Psychopharmacol. 2005, 15: 62-67. 10.1089/cap.2005.15.62.
5. Schwabe U, Paffrath D: Arzneiverordnungs-Report 2006. 2006, Berlin: Springer