@article{Flegal1998,
author = {Flegal, K.M.  and Carroll, M.D. and Kuczmarski, R.J. and Johnson, C.L.},
title= {Overweight and obesity in the United States: prevalence and trends 1960-1994},
year = {1998},
journal = {International Journal of Obesity},
volume = {22},
pages = {39--47},
}