Towards a definition of Ancient Rare Diseases (ARD) : Presenting a complex case of probable Legg-Calv ́e-Perthes Disease from the North Caucasian Bronze Age (2200-1650 cal BCE) - Fuchs, Katharina; Atabiev, Biaslan Ch; Witzmann, Florian; Gresky, Julia (Elsevier, 2021)