Zwart P, Hetzel U, Dik KJ. 2001: Osteitis deformans and concomitant inclusion body disease in a boa (Boa constrictor). Verh.ber. Erkrg. Zootiere 40, 61-66.
Hackenbroich C, Flöck A, Hetzel U, König A, Kramer M, Berthold LD, Alzen G, Bonath KH. 2001: Discospondylitis in a cuban crocodile (Crocodylus rhombifer): diagnosis and therapy. Verh.ber. Erkrg. Zootiere 40, 41-49.
Hackenbroich C, Flöck A, Hetzel U, König A, Kramer M, Berthold LD, Alzen G. 2001. Discospondylitis in a Cuba crocodile (Crocodylus rhombifer): Case report with emphasis on diagnosis by computed tomography. Tierärztl. Praxis K 29, 399-405 [article in German].
Plesker R, Coulibaly C, Hetzel U, 2002: A spontaneous uterine sarcoma in a rhesus monkey (Macaca mulatta). J. Vet. Med. B 49, 427-429. PubMed12450192
Brandstätter F, Osmann C, Hetzel U, 2002: Ungewöhnlicher Mageninhalt eines Humboldtpinguins (Sphenicus humboldti). Zool. Garten N.F. 72, 459-460 [article in German].
Hetzel U, König A, Yildirim AÖ, Lämmler Ch, Kipar A, 2003: Septicaemia in emerald monitors (Varanus prasinus Schlegel 1839), caused by Streptococcus agalactiae aquired from mice. Vet. Microbiol. 95, 283-293. PubMed12935754
Müller G, Gröters S, Siebert U, Rosenberger T, Driver J, König M, Becher P, Hetzel U, Baumgärtner W. 2003: Parapoxvirus infection in harbor seals (Phoca vitulina) from the German North Sea. Vet. Pathol. 40, 445-454. PubMed12824516
Willuhn J, Hetzel U, Preuss D, Zebisch K. 2003: Seminoma in a Brown Housesnake (Lamprophis fuliginosus fuliginosus). Tieraerztliche Praxis K 31(3), 176-179 [article in German].
Plesker R, Hetzel U, Schmidt W, 2005: Cataracts in a laboratory colony of African green monkeys (Chlorocebus aethiops). J. Med. Primatol. 34, 139-146. PubMed15860122
Bleier T, Hetzel U, Bauer C, Behlert O, Burkhardt E. 2005: Gongylonema pulchrum infection and oesophageal squamous cell carcinoma in a vari (Lemur macaco variegata (Kerr 1792)): A case report. J Zoo Wildl Med 36, 342-345. PubMed17323583
Moser I, Prodinger WM, Hotzel H, Greenwald R, Lyashchenko KP, Bakker D, Gomis D, Seidler T, Ellenberger C, Hetzel U, Wuennemann K, Moisson P, 2008. Mycobacterium pinnipedii: Transmission from South American sea lion (Otaria byronia) to Bactrian camel (Camelus bactrianus bactrianus) and Malayan tapirs (Tapirus indicus). Vet Microbiol. 127, 399-406. PubMed17913401
Williams J, Hetzel U, Chatterton J, Chantrey J, 2011. Pineocytoma in a lowland anoa (Bubalus depressicornis). J Comp Path 144(2-3):227-230. PubMed20961555
Deutschland M, Denk D, Skerritt G, Hetzel U, 2011. Surgical excision and morphological evaluation of altered abdominal scent glands in Mongolian gerbils (Meriones unguiculatus). Vet Rec 169(24), 636. PubMed22027188
Bányai K, Borzák R, Ihász K, Fehér E, Dán A, Jakab F, Papp T, Hetzel U, Marschang RE, Farkas SL, 2013. Whole-genome sequencing of a green bush viper reovirus reveals a shared evolutionary history between reptilian and unusual mammalian orthoreoviruses. Arch Virol. 2013 Aug 7. [Epub ahead of print]. PubMed23921622
Hetzel U, Sironen T, Laurinmäki P, Liljeroos L, Patjas A, Henttonen H, Vaheri A, Artelt A, Kipar A, Butcher S, Vapalahti O, Hepojoki J, 2013. Isolation, identification and characterization of novel Arenaviruses, the etiological agent of Boid Inclusion Body Disease. J Virol. 87(29), 10918-10935. PubMed23926354
Antuofermo E, Pais A, Nuvoli S, Hetzel U, Burrai GP, Rocca S, Caffara M, Giorgi I, Pedron C, Prearo M, 2014. Mycobacterium chelonae associated with tumor-like skin and oral masses in farmed Russian sturgeons (Acipenser gueldenstaedtii). BMC Vet Res 10(1): 18. doi: 10.1186/1746-6148-10-18. PubMed24423126
