Cancer | June 26, 2006 | Volume: 43 | Issue: 6 | Pages: 2189-2196
10.1002/1097-0142(197906)43:6<2189::aid-cncr2820430605>3.0.co;2-#
Cancer | August 25, 2002 | Volume: 79 | Issue: 4 | Pages: 830-834
10.1002/(sici)1097-0142(19970215)79:4<830::aid-cncr20>3.0.co;2-#