Journal of Gastrointestinal Cancer
Journal of Gastrointestinal Cancer > 1999 > 26 > 3 > 155-162
Journal of Gastrointestinal Cancer > 1999 > 26 > 3 > 163-171
Journal of Gastrointestinal Cancer > 1999 > 26 > 3 > 155-162
Journal of Gastrointestinal Cancer > 1999 > 26 > 3 > 163-171