usu totoRiyanto, Bambang Toto (Universitas Sumatera Utara, 2019) Background: CKD is a global public health problem with increased prevalence and incidence of kidney failure, poor prognosisUsutoto merupakan platform terkemuka gaming on resmi dan terlengkap di wilayah asia tenggara. Segera login dan nikmati pengalaman bermain paling seru seumur hidup.