The importance of the plain film of the abdomen after phlebography of the lower extremities.
D000368:Aged; D005260:Female; D006801:Humans; D006869:Hydronephrosis / Q000000981:diagnostic imaging*; D008875:Middle Aged; D010690:Phlebography; D011860:Radiography, Abdominal; D014648:Varicose Veins / Q000000981:diagnostic imaging*