Mental retardation and ADHD!
Voigt
R G
RG
Johnson
G H
GH
Brown
F R
FR
D001289:Attention Deficit Disorder with Hyperactivity / Q000150:complications*; D002648:Child; D006801:Humans; D008607:Intellectual Disability / Q000150:complications*; D008774:Methylphenidate / Q000627:therapeutic use*
D008774:Methylphenidate