Implementing practice facilitation in research: how facilitators spend their time guiding practices to improve blood pressure control. - Sutton KF; Richman EL; Rees JR; Pugh-Nicholson LL; Craft MM; Peaden SH; Soroka O; Mackey M; Cummings DM; Cherrington AL; Safford MM; Halladay JR (Implementation science communications, 2023)