[Functional and morphological changes in the pharynx in achalasia and diffuse esophageal spasm]
Radiologe
1989
29
8
363-70
[Cinematographic study of the pathologic mechanisms of aspiration pneumonia]
Rofo
1989
150
3
260-7
Transgastric perforation of a percutaneous endoscopic feeding tube with a fatal outcome.
Endoscopy
1989
21
1
45-6