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My article focuses on the United States and, even then, necessarily omits many noteworthy historical developments. Drs Trepman and Albeck raise an important issue that is far beyond the scope of my article, and I am grateful to them for providing important additional information.
Walker JS. Perversions of Medical Technology-Reply. JAMA. 1990;263(8):1067. doi:10.1001/jama.1990.03440080038012