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Article

Is the inattentive subtype of ADHD different from the combined/hyperactive subtype?

Journal of attention disorders - 1 May 2010

Grizenko Natalie, Paci Michael, Joober Ridha

Abstract excerpt

OBJECTIVE: To compare the ADHD combined/hyperactive subtype (ADHD/CH) to the ADHD inattentive subtype (ADHD/I) on the level of comorbidity, treatment response, and possible etiological factors. METHOD: A total of 371 clinically referred children diagnosed with ADHD aged between 6 and 12 years are recruited for a double-blind, placebo-controlled trial of methylphenidate. Comorbidity, treatment response, and stress...

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Identifiers

PMID: 19767592
DOI: 10.1177/1087054709347200

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HTT
DRD4

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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