title: AN IMPROVED METHOD OF EXCRETORY UROGRAPHY.
mesh_terms: D035843:Biomedical Research; D006801:Humans; D007682:Kidney Pelvis; D011187:Posture; D011312:Pressure; D011871:Radiology; D013679:Technology, Radiologic; D014567:Urography
keywords: CLINICAL RESEARCH; POSTURE; PRESSURE; TECHNOLOGY, RADIOLOGIC; UROGRAPHY