Nichols, JohnUniversity of Minnesota Duluth. Department of BiologyHrabik, Tom2015-03-252017-04-142015-03-252017-04-142015https://hdl.handle.net/11299/186076UMD biology seminar is a weekly lecture. The lecturer this week is Dr. John Nichols, Toxicologist, with the U.S. Environmental Protection Agency.en-USPostersLecturesUniversity of Minnesota DuluthDepartment of BiologyOther