P. Ring
发表
J. A. Jensen,
P. Ring,
Ole Henriksen,
1993
.
P. Ring,
M. Stubgaard,
C. Thomsen,
1987,
Acta radiologica.
Egill Rostrup,
Freddy Ståhlberg,
P. Ring,
1993
.
P. Ring,
C. Thomsen,
P. Ring,
1995,
Acta radiologica.
E. Rostrup,
P. Ring,
M. Stubgaard,
1993,
Acta radiologica.