00476nas a2200157   4500000000100000000000100001008004100002100001100043700001600054700001600070700001200086245018600098300001200284490000800296022001400304       2013                            d1 aE. Hak1 aT. de Vries1 aP. Hoekstra1 aS. Jick00aAssociation of childhood attention-deficit/hyperactivity disorder with atopic diseases and skin infections? A matched case-control study using the General Practice Research Database  a102-1060 v111  a1081-1206