Correlation between gastric cancer and mutation in the glutathione S-transferase class MU gene detected by PCR: J Sato, H Kashimura, A Nakahara M Abei, K Wang, S Lazaratos, H Fukutomi, K Kobayashi, H Hamaguchi. Dept. of Gastroenterology, Institute of Clinical Medicine, and Dept. of Human Genetics, University of Tsukuba, Tsukuba City, Japan