Ewers, Christa Mallard ducks - a waterfowl species with high risk of distributing Escherichia coli pathogenic for humans. [electronic resource] - Environmental microbiology reports Dec 2009 - 510-7 p. digital Publication Type: Journal Article ISSN: 1758-2229 Standard No.: 10.1111/j.1758-2229.2009.00058.x doi