A comparative clinical trial of urographic media:  renografin, hypaque, and urokon.
D003287:Contrast Media; D003973:Diatrizoate; D003974:Diatrizoate Meglumine; D017540:Tunica Media; D014567:Urography
D003287:Contrast Media; D003973:Diatrizoate; D003974:Diatrizoate Meglumine
CONTRAST MEDIA; URINARY TRACT/radiography