R Frank1, N Chapman, R Johnson. 1. Agriculture Laboratory Services Branch, Ontario Ministry of Agriculture and Food, Guelph Agriculture Centre, Canada.
Authors: Andria Q Jones; Catherine E Dewey; Kathryn Doré; Shannon E Majowicz; Scott A McEwen; David Waltner-Toews; Spencer J Henson; Eric Mathews Journal: BMC Public Health Date: 2005-12-09 Impact factor: 3.295