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 Johnson Organs The William A. Johnson Organ Company of Westfield, Massachusetts, which later became Johnson & Son Organ Company, was a highly respected firm that built 860 pipe organs throughout the United States and in Canada and Bermuda. The company operated from 1844 through 1898. All Johnson organs were completely mechanical (tracker action) organs, with Barker lever tracker-pneumatic actions utilized in larger organs after 1871. In 1843, William Allen Johnson operated a contracting business in Westfield, Massachusetts. While he was completing the construction of a new church building for his own Westfield church, an organ builder of the firm E.