Korelasi kadar beta-2 mikroglobulin serum dengan ketebalan tunika intima-media arteri karotis pada pasien hemodialisis high flux dan continuous ambulatory peritoneal dialysis non-diabetik = Correlation between serum beta 2 microglobulin level and carotid artery intima media thickness among non diabetic high flux hemodialysis and continuous ambulatory peritoneal dialysis patients / Pujiwati