Hodgkins P, Setyawan J, Mitra D, Davis K, Quintero J, Fridman M, Shaw M, Harpin V. Management of adhd in children across europe: patient demographics, physician characteristics and treatment patterns. Eur J Pediatr. 2013 Feb 1;172(7):895-906.
Vardavas CI, Chatzi L, Patelarou E, Plana E, Sarri K, Kafatos A. Smoking and smoking cessation during early pregnancy and its effect on adverse pregnancy outcomes and fetal growth. Eur J Pediatr. 2010 Jun;169(6):741-8.
Niaura R, Britt DM, Shadel WG, Goldstein M, Abrams D, Brown R. Symptoms of depression and survival experience among three samples of smokers trying to quit. Psychol Addict Behav. 2001 Mar 1;15(1):13-7.