Harry van Keulen

Prevalence of Giardia cysts and Cryptosporidium oocysts and characterization of Giardia spp. isolated from drinking water in Canada

P. M. Wallis, Stanley L. Erlandsen, J L Isaac-Renton et al. · Applied and Environmental Microbiology · 1996 · 190 citations · Full text

Veterinary Medicine, Infectious Diseases, Microbiology +13

Presence of human Giardia in domestic, farm and wild animals, and environmental samples suggests a zoonotic potential for giardiasis

Harry van Keulen, P. Timothy Macechko, Susan E. Wade et al. · Veterinary Parasitology · 2002 · 165 citations

Veterinary Medicine, Infectious Diseases, Microbiology +10

Hydroponic phytoremediation of Cd, Cr, Ni, As, and Fe: Can Helianthus annuus hyperaccumulate multiple heavy metals?

Mary Catherine January, Teresa J. Cutright, Harry van Keulen et al. · Chemosphere · 2007 · 131 citations

Veterinary Medicine, Environmental Sciences, Plant Sciences +14

Classification of subgroups of Giardia lamblia based upon ribosomal RNA gene sequence using the polymerase chain reaction

Judith B. Weiss, Harry van Keulen, Theodore E. Nash · Molecular and Biochemical Parasitology · 1992 · 101 citations

Life Sciences, Microbiology, Molecular Biology +16

Axenic Culture and Characterization of Giardia ardeae from the Great Blue Heron (Ardea herodias)

Stanley L. Erlandsen, William J. Bemrick, Carol L. Wells et al. · Journal of Parasitology · 1990 · 96 citations

Life Sciences, Biology, Microbiology +14