2 results filtered with: National Research Council Canada. Associate Committee on Scientific Criteria for Environmental Quality
- Books
Intestinal parasites of man in the Canadian environment / by M. Laird [and others].
Working Group on Intestinal Parasites of Man in the Canadian Environment (1977 : Ottawa, Ont.)Date: 1980- Books
Biting flies in Canada : health effects and economic consequences / by M. Laird [and others].
Date: 1982