Some Intestinal Amoebas and Flagellates from the Chimpanzee, 3-toed Sloth, Sheep and Guinea Pigv. 15American Society of Parasitologists31–37
Hegner, Robert and Schumaker, Eugene. 1928. "Some Intestinal Amoebas and Flagellates from the Chimpanzee, 3-toed Sloth, Sheep and Guinea Pig." The Journal of Parasitology, 15 31–37.