Wu A H
Department of Preventive Medicine, Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, California 90033-0800, USA.
Cancer. 2000 Mar 1;88(5 Suppl):1239-44. doi: 10.1002/(sici)1097-0142(20000301)88:5+<1239::aid-cncr10>3.3.co;2-x.