Wongwutthiwet, Possatorn, Tatree Bosittipichet, and Thanakamon Leesri. 2021. “The Efficacy of Follow-up Phone Calls for Capillary Blood Glucose Lowering in Diabetic Patients in Primary Care Unit”. Siriraj Medical Journal 73 (12):801-7. https://doi.org/10.33192/Smj.2021.104.