The economic burden of noncommunicable diseases on America’s youth: an analysis of children’s healthcare spending in the United States from 1996-2012 oleh A.L. Bui, H. Hamavid, R. Baral, M. Birger, A. Bulchis, C. Horst, E.K. Johnson, J. Joseph, L. Lomsadze, H. Duber, J.L. Dieleman