Ecosystem health: an essential field for veterinary medicine
John A. VanLeeuwen
John A. VanLeeuwenFrom the Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PEI, Canada C1A 4P3 (VanLeeuwen), and Departments of Pathobiology (Nielsen) and Population Medicine (Waltner-Toews), Ontario Veterinary College, University of Guelph, Guelph, Ont, Canada N1G 2W1.
N. Ole NielsenFrom the Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PEI, Canada C1A 4P3 (VanLeeuwen), and Departments of Pathobiology (Nielsen) and Population Medicine (Waltner-Toews), Ontario Veterinary College, University of Guelph, Guelph, Ont, Canada N1G 2W1.
David Waltner-ToewsFrom the Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PEI, Canada C1A 4P3 (VanLeeuwen), and Departments of Pathobiology (Nielsen) and Population Medicine (Waltner-Toews), Ontario Veterinary College, University of Guelph, Guelph, Ont, Canada N1G 2W1.