Hodgson, Jonathan M Effects of black tea on blood pressure: a randomized controlled trial. [electronic resource] - Archives of internal medicine Jan 2012 - 186-8 p. digital Publication Type: Letter; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 1538-3679 Standard No.: 10.1001/archinte.172.2.186 doi Subjects--Topical Terms: AdultAgedBlood PressureBlood Pressure Monitoring, AmbulatoryDiastoleDouble-Blind MethodFemaleHumansMaleMiddle AgedPolyphenols--administration & dosageSystoleTea--chemistry