PT - JOURNAL ARTICLE AU - Lars Friberg AU - Michael D. Devous, Sr. TI - In Memory: Niels Alexander Lassen December 7, 1926—April 30, 1997 DP - 1998 Apr 01 TA - Journal of Nuclear Medicine PG - 24N--24N VI - 39 IP - 4 4099 - http://jnm.snmjournals.org/content/39/4/24N.short 4100 - http://jnm.snmjournals.org/content/39/4/24N.full SO - J Nucl Med1998 Apr 01; 39