%0 Journal Article %K Child %K Humans %K Adolescent %K *Attention Deficit Disorder with Hyperactivity/diagnosis/epidemiology/therapy %K Case-Control Studies %K *Asthma %K *Eczema %K Delivery of Health Care %K adolescent health %K Child health %K child psychiatry %K epidemiology %K Primary health care %K Health Research (NIHR) academic clinical lecturer scheme, NIHR East Midlands %B Arch Dis Child %D 2023 %G eng %M 37903632 %P 46-51 %R 10.1136/archdischild-2023-325637 %T Use of healthcare services before diagnosis of attention-deficit/hyperactivity disorder: a population-based matched case-control study %V 109 %7 2023/10/31 %@ 0003-9888