A cardiovascular polypill for secondary stroke prevention in a tertiary centre in Ghana (SMAART): a phase 2 randomised clinical trial. - Sarfo FS; Voeks J; Adamu S; Agyei BA; Agbenorku M; Adu-Darko N; Oteng MA; Obese V; Gyamfi RA; Mensah NA; Tagge R; Ampofo M; et al. (The Lancet. Global health, 2023)