Gunilla Tronje

Method and apparatus for computerized tomography scans and panorama

Michael Lee, S. Brent Dove, Ulf Welander, 1992 .

A general mathematical theory of rotational panoramic radiography incorporating non-rotational scanographic methods

Ulf Welander, Gunilla Tronje, U. Welander, 1990 .

Exposure parameters in sens-a-ray direct digital radiography and their effects on diagnostic accuracy of carious lesions

Kazunori Yoshiura, Xie-Qi Shi, Ulf Welander, 2006, Oral Radiology.