Krejci-Manwaring J, Tusa MG, Carroll C, Camacho F, Kaur M, Carr D, Fleischer AB, Balkrishnan R, Feldman SR. Stealth monitoring of adherence to topical medication: adherence is very poor in children with atopic dermatitis. J Am Acad Dermatol. 2007 Feb; 56(2):211-6.