Eimeria macusaniensis infection in 15 llamas and 34 alpacas - Cebra, CK; Valentine, BA; Schlipf, JW; Bildfell, RJ; McKenzie, E; Waitt, LH; Heidel, JR; Cooper, BJ; Löhr, CV; Bird, KE; Saulez, MN; Firshman, AM (J Am Vet Med Assoc, 2007)