@article{Hill2006,
author = {Hill, T.D. and Needham, B.L.},
title= {Gender-specific trends in educational attainment and self-rated health, 1972–2002},
year = {2006},
doi = {10.2105/AJPH.2004.061119},
volume = {96},
number = {7},
pages = {1288--1293},
}