International Society of Nephrology (treasurer), Giuseppe Remuzzi (president elect) and Luca Segantini (executive director). International Society of Nephrology The International Society of Nephrology (ISN) is an international body representing specialists in nephrology (kidney diseases). Its headquarters are located in Brussels, Belgium and New Jersey, United States. Since its foundation in 1960, the ISN has pursued the worldwide advancement of education, science and patient care in nephrology, the medical subspecialty dealing with the Kidneys). The Society represents a wide international network and provides an efficient platform for timely scientific exchange, debate and dissemination between healthcare professionals around the world. It is also dedicated to addressing
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