title: Descending varicose venography of the lower extremities. An alternate method to evaluate the deep venous system.
mesh_terms: D003287:Contrast Media; D006801:Humans; D010690:Phlebography / Q000379:methods*; D011187:Posture; D013924:Thrombophlebitis / Q000000981:diagnostic imaging*; D014111:Tourniquets; D014648:Varicose Veins / Q000000981:diagnostic imaging*
chemical_list: D003287:Contrast Media