Implementing practice facilitation in research: how facilitators spend their time guiding practices to improve blood pressure control oleh Kent F. Sutton, Erica L. Richman, Jennifer R. Rees, Liza L. Pugh-Nicholson, Macie M. Craft, Shannon H. Peaden, Orysya Soroka, Monique Mackey, Doyle M. Cummings, Andrea L. Cherrington, Monika M. Safford, Jacqueline R. Halladay, Southeastern Collaboration to Improve Blood Pressure Writing Group