Seldon, B.J., Doroodian, K. 1989
Baltagi, B.H., Goel, R.K. 1987
Saffer, H., Chaloupka, F.J. 2000
Grabowski, H.G. 1975
Hamilton, J.L. 1974
National Cancer Institute 2017
Holak, S.L., Reddy, S.K. 1986
International Agency for Research on Cancer 2011
Blecher, E.H. 2008
Abernethy, A.M., Teel, J.E. 1985