Analisis Praktik Residensi Keperawatan Medikal Bedah Dengan Model Adaptasi Roy Pada Kasus Tumor Spinal Di RS Pusat Otak Nasional Prof. Dr. Mahar Mardjono Jakarta = The Analysis of Medical Surgical Nursing Recidency Practice using Roy Adaptation Model of Patients with Spinal Tumor in Rumah Sakit Pusat Otak Nasional Prof. Dr. dr. Mahar Mardjono Jakarta