title: The visual and radiographic examination of mandibular cheek teeth and their relationship to age in a group of Aberdeen Angus x Friesian steers.
mesh_terms: D000367:Age Factors; D000818:Animals; D002417:Cattle / Q000254:growth & development*; D003433:Crosses, Genetic; D008297:Male; D008334:Mandible / Q000000981:diagnostic imaging; D011859:Radiography; D014070:Tooth / Q000000981:diagnostic imaging / Q000254:growth & development*