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Initial screening. *, PubMed, Cochrane Controlled Trials Register; **, records were excluded by a human not with any automation tools, except limiting by year of publication; no Controlled Trial had long-term BP data and/or included HT as an outcome measure; therefore all 117 trials were excluded; ***, 2 reports were not in English and were excluded. For more information, visit: http://www.prisma-statement.org/. BP, blood pressure; HT, hypertension.
