Ferrer M, Garcia-Esteban R, Iniguez C, Costa O, Fernandez-Somoano A, Rodríguez-Delhi C, Ibarluzea J, Lertxundi A, Tonne C, Sunyer J, Julvez J. Head circumference and child ADHD symptoms and cognitive functioning: results from a large population-based cohort study. Eur Child Adolesc Psychiatry. 2019 Mar;28(3):377-88. doi: 10.1007/s00787-018-1202-4
Ramos R, Freire C, Julvez J, Fernandez MF, Garcia-Esteban R, Torrent M, Sunyer J, Olea N. Association of ADHD symptoms and social competence with cognitive status in preschoolers. Eur Child Adolesc Psychiatry. 2013 Mar;22(3):153-64. doi: 10.1007/s00787-012-0334-1
Feltner D, Hill C, Lenderking W, Williams VS, Morlock R. Development of a patient-reported assessment to identify placebo responders in a generalized anxiety disorder trial. J Psychiatr Res. 2009 Oct;43(15):1224-30.
Morlock RJ, Williams VS, Cappelleri JC, Harness J, Fehnel SE, Endicott J, Feltner D. Development and evaluation of the Daily Assessment of Symptoms – Anxiety (DAS-A) Scale to evaluate onset of symptom relief in patients with generalized anxiety disorder. J Psychiatr Res. 2008 Oct;42(12):1024-36.