Analisis Praktik Residensi Keperawatan Medikal Bedah Pada Pasien Osteoarthritis Genu Bilateral Dengan Pendekatan Teori Self Care Orem Di Rumah Sakit Umum Pusat Fatmawati Jakarta = Analysis of Medical Surgical Nursing Residency Practice in Bilateral Genu Osteoarthritis Patients Using Orem's Self Care Theory Approach at Fatmawati General Hospital Jakarta