Abstract

Get full access to this article
View all access options for this article.
References
1.
Nyman
U
Aspelin
P
Boijsen
E
. Obituary for Prof. Torsten Almén . Acta Radiol 2016 ; 57 : 387 –388 .
2.
Almen
T
. Visipaque - A step forward. A historical review . Acta Radiol Suppl 1995 ; 399 : 2 –18 .
