Ard, J.D., Fitzpatrick, S., Desmond, R.A., Sutton, B.S., Pisu, M., Allison, D.B., Franklin, F. and Baskin, M.L. (2007) The impact of cost on the availability of fruits and vegetables in the homes of schoolchildren in Birmingham, Alabama. American Journal of Public Health, 97, 367372. doi:10.2105/AJPH.2005.080655