Abstract

References
1.
Blohme
G
Ysander
L
Korsan-Bengsten
K
Laurell
A-B
. (1972 ) Acta medica Scandinavica
191 , 209
2.
Champion
R H
Lachmann
P J
. (1969 ) British Journal of Dermatology
81 , 763
3.
Nilsson
I M
Anderson
L
Bjorkmann
S E
. (1966 ) Acta medica Scandinavica
Suppl. 448 , p 21
