@article{Gardner1990,
author = {Gardner, J. and Sanborn, J.},
title= {Years of potential life lost (YPLL) - What does it measure?},
year = {1990},
doi = {10.1097/00001648-199007000-00012},
journal = {Epidemiology},
volume = {1},
number = {4},
pages = {322--329},
}