In children with attention-deficit hyperactivity disorder who have been taking methylphenidate for at least 1 year, is there any evidence of harmful effects?

In children with attention-deficit hyperactivity disorder who have been taking methylphenidate for at least 1 year, is there any evidence of harmful effects?

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Evidence-based Healthcare and Public Health - Volume 9, Issue 1, February 2005, Pages 10-15

Philip L. PhD, FRANZCP,