@incollection{Liu12,
author = {Shih-An Liu},
title = {A Literature Analysis of the Risk Factors for Oral Cancer},
booktitle = {Oral Cancer},
publisher = {IntechOpen},
address = {Rijeka},
year = {2012},
editor = {Kalu U. E. Ogbureke},
chapter = {4},
doi = {10.5772/31192},
url = {https://doi.org/10.5772/31192}
}