We invite you to an open lesson of the assistant of the Department of Internal Diseases №3 of TMA Khalmetova F.I. on the topic ” Joint syndrome. Differential diagnosis of SLE, SSD and dermatomyositis. Differential diagnosis of hemorrhagic vasculitis and periarteritis nodosa ”, which will be held at 8.30 a.m. on December 16, 2019, at the № 3 city clinical hospital (4th floor, conference room).