Schiller, C. A.; Montali, R. J.; Doi, S.; Grollman, E. F. (1995). "Clinical and Morphologic Findings of Familial Goiter in Bongo Antelope (Tragelaphus eurycerus)". Veterinary Pathology. 32 (3): 242–9. doi:10.1177/030098589503200305. PMID7604491. S2CID26590186.
Schiller, C. A.; Montali, R. J.; Doi, S.; Grollman, E. F. (1995). "Clinical and Morphologic Findings of Familial Goiter in Bongo Antelope (Tragelaphus eurycerus)". Veterinary Pathology. 32 (3): 242–9. doi:10.1177/030098589503200305. PMID7604491. S2CID26590186.
Schiller, C. A.; Montali, R. J.; Doi, S.; Grollman, E. F. (1995). "Clinical and Morphologic Findings of Familial Goiter in Bongo Antelope (Tragelaphus eurycerus)". Veterinary Pathology. 32 (3): 242–9. doi:10.1177/030098589503200305. PMID7604491. S2CID26590186.