2 結果
Cixian county, one of the high-risk counties of esophageal cancer in the world, has a standardized mortality of 142.19/10(5) population, 1969-1971. The incidence of esophageal cancer had dropped year by year from 1974 to 1982. The significance of the incidence tendency was studied. The results are
A new oral contrast agent for CT of the esophagus was evaluated for its ability to coat the esophageal lumen in 12 patients with esophageal diseases. This agent is made of carboxymethyl cellulose sodium, potato starch and low-density barium, and has remarkably high viscosity of 13600 centipoise. The