Lyons, ET; Swerczek, TW; Tolliver, SC; Bair, HD; Drudge, JH; Ennis, LE (2000). "Prevalence of selected species of internal parasites in equids at necropsy in central Kentucky (1995-1999)". Veterinary Parasitology. 92 (1): 51–62. doi:10.1016/S0304-4017(00)00266-1. PMID10936545.
Otranto, D; Ferroglio, E; Lia, RP; Traversa, D; Rossi, L (2003). "Current status and epidemiological observation of Thelazia callipaeda (Spirurida, Thelaziidae) in dogs, cats and foxes in Italy: a "coincidence" or a parasitic disease of the Old Continent?". Veterinary Parasitology. 116 (4): 315–25. doi:10.1016/j.vetpar.2003.07.022. PMID14580802.
Lyons, ET; Swerczek, TW; Tolliver, SC; Bair, HD; Drudge, JH; Ennis, LE (2000). "Prevalence of selected species of internal parasites in equids at necropsy in central Kentucky (1995-1999)". Veterinary Parasitology. 92 (1): 51–62. doi:10.1016/S0304-4017(00)00266-1. PMID10936545.
Otranto, D; Ferroglio, E; Lia, RP; Traversa, D; Rossi, L (2003). "Current status and epidemiological observation of Thelazia callipaeda (Spirurida, Thelaziidae) in dogs, cats and foxes in Italy: a "coincidence" or a parasitic disease of the Old Continent?". Veterinary Parasitology. 116 (4): 315–25. doi:10.1016/j.vetpar.2003.07.022. PMID14580802.