Harahap, S. “FAKTOR-FAKTOR RISIKO KEJADIAN GAGAL GINJAL KRONIK (GGK) DI RUANG HEMODIALISA (HD) RSUP H. ADAM MALIK MEDAN”. JURNAL ONLINE KEPERAWATAN INDONESIA, vol. 1, no. 1, Sept. 2018, pp. 92-109, http://114.7.97.221/index.php/Keperawatan/article/view/374.