Retrograde pyelography is a procedure commonly used by urologists involving X-ray imaging to visualize the kidneys, bladder and ureters. It involves the insertion of a cystoscope into the urinary ...

One hundred and twenty-one subjects randomly selected from all patients referred for intravenous urography during a six-month period constituted the control group, which was divided into 61 ...

IN 1955 Benirschke and Brown 1 reported extensively on the occurrence of congenital anomalies in association with the absence of one of the two umbilical arteries. This study, together with previous ...