Physical rays and the kidney.
D000818:Animals; D006801:Humans; D006977:Hypertension, Renal / Q000000981:diagnostic imaging*; D007674:Kidney Diseases / Q000175:diagnosis; D007677:Kidney Function Tests; D016030:Kidney Transplantation; D010992:Plethysmography, Impedance; D011859:Radiography; D011866:Radioisotope Renography