Systemic onset juvenile idiopathic arthritis with macrophage activation syndrome and coronary artery dilatation misdiagnosed as Kawasaki disease - Gonca Keskindemirci; Nuray Aktay Ayaz; Neslihan Melikoğlu; Helen Bornaun; Çiğdem Aydoğmuş; Esin Aldemir; Gönül Aydoğan (The Turkish Journal of Pediatrics)