Ruiz-Castell M, Carsin AE, Barbieri FL, Paco P, Gardon J, Sunyer J. Child patterns of growth delay and cognitive development in a Bolivian mining city. Am J Hum Biol. 2013 Jan;25(1):94-100. doi: 10.1002/ajhb.22346
Wilson MR, Van Houtven CH, Stearns S, Clipp EC. Depression and missed work among informal caregivers of older individuals with dementia. J Fam Econ Issues. 2007;28(4):684-98.