Nephrology Medicine (AOBIM) nephrology examination. Nephrologists must be approved by one of these boards. To be approved, the physician must fulfill the requirements for education and training in nephrology in order to qualify to take the board's examination. If a physician passes the examination, then he or she can become a nephrology specialist. Typically, nephrologists also need two to three years of training in an ACGME or AOA accredited fellowship in nephrology. Nearly all programs train nephrologists in continuous renal replacement therapy; fewer than half in the United States train in the provision of plasmapheresis. Only pediatric trained physicians are able
Johnson Organs H. Johnson, who had worked in the shop since he was 16, became an official member of the firm. With a new name, "Johnson and Son", the company was back in operation soon enough to produce 52 new organs in Chicago, Illinois, after the 1871 Great Chicago Fire. A new factory was built in 1873, and another in the mid-1880s. Johnson and Son continued the work of the William A. Johnson Organ Company, building an additional 500 organs. Their largest organs were of around 55 ranks. Throughout the years, Johnson organs were well known for their "excellent balance, splendid dignity,