International Society of Nephrology force to provide emergency dialysis services in areas struck by disasters (usually earthquakes), where numerous victims may develop acute renal failure due to crush syndrome. Supported by Médecins Sans Frontières, industry sponsors and professional associations, the Renal Disaster Relief Task Force sends renal nurses, technicians and doctors to the affected area. Since its establishment, it has assisted in a number of major earthquakes in several countries. The society publishes four medical journals: "Kidney International", "Kidney International Supplements", "Kidney International Reports", and "Seminars in Nephrology". The current leadership of the ISN includes John Feehally (president), Adeera Levin (secretary general), Victor Schuster
Four Treasures of the Study ceramic stones (澄泥硯) which are manufactured by a process which is said to have been developed in Luoyang in Henan. Classical scholars had more than just the Four treasures in their studies. The other "Treasures" include the brush-holder (笔架), brush-hanger (笔挂), paperweights (镇纸), the brush-rinsing pot (笔洗), and the seal (圖章) and seal-ink (印泥). For painting, Chinese pigments are also used. Four Treasures of the Study Four Treasures of the Study, Four Jewels of the Study or Four Friends of the Study is an expression used to denote the brush, ink, paper and ink stone used in Chinese and other