Analisis Praktik Klinik Keperawatan Kesehatan Masyarakat Perkotaan Pada Kasus Kanker Kolorektal Pro Tutup Kolostomi di RSUPN Ciptomangunkusumo Jakarta = Analysis of Urban Health Nursing Care in Colorectal Cancer Pro Closed Colostomy in Ciptomangunkusumo Hospital, Jakarta