Usu Toto (@usu9771) • photos and videos

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 prognosisUsu Toto is on . Join to connect with Usu Toto and others you may know. gives people the power to share and makes the world more open and connected.