title: The ureterocalyceal system in normal pregnancy. A study using isotope renography and intravenous pyelography.
mesh_terms: D000293:Adolescent; D000328:Adult; D003287:Contrast Media / Q000008:administration & dosage; D004106:Dilatation; D005260:Female; D005500:Follow-Up Studies; D007839:Functional Laterality; D006801:Humans; D007275:Injections, Intravenous; D007746:Labor Presentation; D010298:Parity; D011187:Posture; D011247:Pregnancy; D011248:Pregnancy Complications / Q000000981:diagnostic imaging*; D011866:Radioisotope Renography; D013997:Time Factors; D014517:Ureteral Obstruction / Q000175:diagnosis / Q000000981:diagnostic imaging* / Q000209:etiology; D014567:Urography
chemical_list: D003287:Contrast Media