Analisis praktik residensi keperawatan medikal bedah : Penerapan model konservasi Myra E. Levine pada pasien dengan gangguan sistem kardiovaskular di RS Pusat Jantung Nasional Harapan Kita Jakarta = Analysis of medical surgical nursing clinical practice of residency using Myra E. Levine's conservation model on patient with cardiovascular system disorder in National Cardiovascular Center Harapan Kita Hospital Jakarta (Fakultas Ilmu Keperawatan Universitas Indonesia, 2013)