title: [After the researchers have left the field].
authors.forename: F
authors.initials: F
authors.lastname: Boer
mesh_terms: D001289:Attention Deficit Disorder with Hyperactivity / Q000175:diagnosis* / Q000188:drug therapy*; D000697:Central Nervous System Stimulants / Q000627:therapeutic use*; D002648:Child; D006801:Humans; D008774:Methylphenidate / Q000627:therapeutic use*; D009426:Netherlands; D017410:Practice Guidelines as Topic