Operative venography. Its advantages and disadvantages.
D003097:Collateral Circulation; D003973:Diatrizoate; D006801:Humans; D007866:Leg / Q000098:blood supply*; D008722:Methods; D010690:Phlebography / Q000009:adverse effects; D012883:Skin Ulcer / Q000000981:diagnostic imaging; D013924:Thrombophlebitis / Q000000981:diagnostic imaging*; D014648:Varicose Veins / Q000150:complications / Q000000981:diagnostic imaging* / Q000601:surgery
D003973:Diatrizoate