Analisis praktik residensi keperawatan medikal bedah pada pasien gangguan sistem endokrin: Diabetes melitus tipe 2 dengan pendekatan model Adaptasi Roy di RSUPN Cipto Mangunkusumo Jakarta = Analysis of Medical-Surgical Nursing residency practice in patients with endocrine system disorders: Type 2 diabetes mellitus using the Roy Adaptation model at Cipto Mangunkusumo National General Hospital, Jakarta