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International parathyroid hormone (PTH) trends among in-center hemodialysis patients, from 2002-2021.
[DOPPS phases 2-7 included facilities from the United States, Japan, and 7 European countries (Belgium, France, Germany, Italy, Spain, Sweden, United Kingdom). The period covers 121,898 patient-months from the United States, 18,845 from Japan, and 18,845 from Europe.]
