Perbandingan Efektivitas Metformin-Sulfonilurea dan Metformin-Akarbose terhadap Parameter Glikemik Pasien Diabetes Melitus Tipe 2: Studi Kohort Retrospektif di RSPAD Gatot Soebroto Jakarta = Effectiveness Comparison of Metformin-Sulfonylurea and Metformin-Acarbose on the Glycemic Parameters of Type 2 Diabetes Mellitus Patients: A Retrospective Cohort Study at Gatot Soebroto Army Hospital.