Analisis Praktek Keperawatan Medikal Bedah Penerapan Teori Adaptasi Roy pada Pasien dengan Gangguan Sistem Endokrin: Diabetes Melitus type 2 di RSUPN Dr. Cipto Mangunkusumo Jakarta = Analysis of Medical Surgical Nursing Practice Applying Roy's Adaptation Theory to Patients with Disorders of the Endocrine System: Type 2 Diabetes Mellitus at RSUPN Dr. Cipto Mangunkusumo Jakarta