Search for: [Subject = CKD] OR [Subject = eGFR] OR [Subject = MDRD] OR [Subject = CKD\-EPI] OR [Subject = Bjornsson] OR [Subject = PChN] OR [Subject = eGFR] OR [Subject = MDRD] OR [Subject = CKD\-EPI] OR [Subject = Björnsson] OR [Title = Chronic kidney disease \(CKD\) in data of the Emergency Department of the Regional Hospital in Kielce and the Outpatient Nephrology Clinic of the University Hospital in Cracow] OR [Title = Przewlekła choroba nerek \(PChN\) w materiale Szpitalnego Oddziału Ratunkowego Wojewódzkiego Szpitala Zespolonego w Kielcach i Poradni Nefrologicznej Szpitala Uniwersyteckiego w Krakowie] OR [Author = Wróbel, Paweł]