Not playing by the rules: Unusual patterns in the epidemiology of parasites in a natural population of feral horses (Equus caballus) on Sable Island, Canada oleh Emily Jenkins, Amber-Lynn Backwell, Jennifer Bellaw, Julie Colpitts, Alice Liboiron, David McRuer, Sarah Medill, Sarah Parker, Todd Shury, Martha Smith, Christina Tschritter, Brent Wagner, Jocelyn Poissant, Philip McLoughlin