- Head A., PharmD (Presenter and Author), Hudson J. PharmD BCPS CDE, Coulter. L. PharmD BCPS, “Interventions to Assess Vitamin B12 Deficiency in Patients on Long-term Metformin Therapy in a Family Medicine Clinic,” 52nd Midyear Clinical Meeting and Exposition of the American Society of Health System Pharmacists, Orlando, Florida. (Poster December 2017).