Analisis praktik residensi keperawatan medikal bedah pada pasien gangguan sistem kardiovaskuler dengan pendekatan model adaptasi Roy di Rumah Sakit Jantung dan Pembuluh Darah Harapan Kita Jakarta = Analysis of medical surgical nursing clinical practice of residency in patients with cardiovascular disease using Roy s adaptation model approach in National Cardiovasculalr Center Harapan Kita Jakarta