Ahmed, M. M., Elolemy, G. G., Alfeeli, A. K., Baqer, A. B. and Gad, A. M. (2017) “Ultrasonographic Enthesopathy and Disease Activity in Psoriatic Arthritis”, Open Access Macedonian Journal of Medical Sciences, 5(5), pp. 651–656. doi: 10.3889/oamjms.2017.070.