The feasibility of the PAM intervention to support treatment-adherence in people with hypertension in primary care: a randomised clinical controlled trial by Kassavou, A, Mirzaei, V, Shpendi, S, Brimicombe, J, Chauhan, J, Bhattacharya, D, Naughton, F, Hardeman, W, Eborall, H, Van Emmenis, M, De Simoni, A, Takhar, A, Gupta, P, Patel, P, Mascolo, C, Prevost, AT, Morris, S, Griffin, S, McManus, RJ, Mant, J, Sutton, S