Saphenography.
D000368:Aged; D003287:Contrast Media; D005260:Female; D006801:Humans; D007485:Ioxaglic Acid; D008297:Male; D008722:Methods; D008875:Middle Aged; D011859:Radiography; D012501:Saphenous Vein / Q000000981:diagnostic imaging*; D014283:Triiodobenzoic Acids
D003287:Contrast Media; D014283:Triiodobenzoic Acids; D007485:Ioxaglic Acid