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We read with interest the two perspective articles about methylphenidate (MPH) in children with attention deficit hyperactivity disorder (ADHD) published in the previous issue of Evidence-Based Mental Health.1 ,2 Both papers quote a study we published in 19973 and note that there is an issue about whether it was randomised or not. Our paper was published in 1997, and at that time the requirement for randomisation was different than …
Competing interests None declared.
Provenance and peer review Not commissioned; internally peer reviewed.
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