Comparative Study of Barium Sulfate Contrast Media with High Density and Low Viscosity for X-ray examination of the Upper Gastrointestinal Tract -for use in this Center-(Report 2)
Comparative Study of Barium Sulfate Contrast Media with High Density and Low Viscosity for X-ray examination of the Upper Gastrointestinal Tract -for use in this Center- (Report 2)