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Based on a power calculation using the Clincalc.com (ClinCalc LLC, Arlington Heights, IL, USA) sample size calculator with an assumed average BP of 120 mmHg, a BP variability of 5 mmHg, a clinically relevant difference of 6 mmHg, an enrollment ratio of 3, an alpha of 0.05, and a power of 80%, at least 28 participants, of which at least 7 in each of the cessation and relapse groups, were to be included

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She was Jungks aunt: an Austrian-born documentary photographer and socialist, domiciled in Britain during and after the second world war, whose work brilliantly recorded the lives of the urban working classes in Vienna, London and the Rhondda valley