Topics Symposium & Seminar April 6, 2013 13:02 Proceeding of 4th Symposium is now available. Proceeding is now available on line. You can download it from Hokkaido University WEB site. http://eprints.lib.hokudai.ac.jp/journals/index.php?jname=117&vname=5165 IMPORTANT DATE for symposium preparation Index Abstract Call for 5th Toxicology Symposium in Ghana