Analisis Praktik Residensi Keperawatan Medikal Bedah pada Pasien Diabetes Melitus Tipe 2 dengan Komplikasi Ulkus Diabetik dan Gagal Ginjal Kronik menggunakan Pendekatan Teori Adaptasi Roy = Analysis of Medical Surgical Nursing Residency Practice in Type 2 Diabetes Mellitus Patients with Complications of Diabetic Ulcers and Chronic Kidney Diseases Using Roy's Adaptation Theory Approach