title: Excretory urography to demonstrate the renal outline in Nigerians.
mesh_terms: D044383:Black People; D003287:Contrast Media; D005260:Female; D006801:Humans; D007668:Kidney / Q000033:anatomy & histology / Q000000981:diagnostic imaging*; D008297:Male; D009549:Nigeria; D013679:Technology, Radiologic; D014567:Urography / Q000379:methods*
chemical_list: D003287:Contrast Media