Weissengruber, GE; G Forstenpointner, G Peters, A Kübber-Heiss, and WT Fitch «Hyoid apparatus and pharynx in the lion (Panthera leo), jaguar (Panthera onca), tiger (Panthera tigris), cheetah (Acinonyx jubatus) and domestic cat (Felis silvestris f. catus)». Journal of Anatomy. Anatomical Society of Great Britain and Ireland, 201, 3, setembre 2002, pàg. 195–209. DOI: 10.1046/j.1469-7580.2002.00088.x. PMC: 1570911. PMID: 12363272 [Consulta: 16 gener 2009].
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Weissengruber, GE; G Forstenpointner, G Peters, A Kübber-Heiss, and WT Fitch «Hyoid apparatus and pharynx in the lion (Panthera leo), jaguar (Panthera onca), tiger (Panthera tigris), cheetah (Acinonyx jubatus) and domestic cat (Felis silvestris f. catus)». Journal of Anatomy. Anatomical Society of Great Britain and Ireland, 201, 3, setembre 2002, pàg. 195–209. DOI: 10.1046/j.1469-7580.2002.00088.x. PMC: 1570911. PMID: 12363272 [Consulta: 16 gener 2009].