This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
In a patient suspected to be suffering from vesicoureteric reflex, which one of the following radiological investigations may confirm the diagnosis? 
Select and explain. 
A. Intravenous urography, B. Micturating cystourethrography, C. Pelvic ultrasound, D. Antegrade pyelography
B: Micturating cystourethrography
Answer: B: Micturating cystourethrography 
Explanation: None