@article{Liu1998,
author = {Liu, B.Q. and Peto, R. and Chen, Z.M. and Boreham, J. and Wu, Y.P. and Li, J.Y. and Campbell, T.C. and Chen, J.S.},
title= {Emerging tobacco hazards in China: 1. Retrospective proportional mortality study of one million deaths},
year = {1998},
doi = {10.1136/bmj.317.7170.1411},
journal = {British Medical Journal},
volume = {317},
number = {7170},
pages = {1411},
}