Abstract

References
1.
Agle
D P
Ratnoff
O D
Spring
G K
. (1970 ) Annals of Internal Medicine
73 , 67 .
2.
Asher
R
. (1951 ) Lancet
i , 339 .
3.
Boulton-Jones
J M
Sissons
J G P
Naish
P F
Evans
D J
Peters
D K
. (1974 ) British Medical Journal
iii , 387 .
4.
Gandy
D T
. (1953 ) Southern Medical Journal
46 , 551 .
5.
Hawkings
R
Jones
K S
Sim
M
Tibbetts
R W
. (1956 ) British Medical Journal
i , 361 .
6.
Lyell
A
. (1976 ) Clinical and Experimental Dermatology
1 , 109 .
7.
Rose
E R
Sanders
T P
Webb
W L
Hines
R C
. (1969 ) Annals of Internal Medicine
71 , 309 .
8.
Service
J F
. (1974 ) Archives of Internal Medicine
134 , 336 .
9.
Simpson
C A
. (1917 ) Journal of Cutaneous Diseases
35 , 493 .
10.
Sneddon
I
Sneddon
J
. (1975 ) British Medical Journal
iii , 527 .
11.
Waisman
M
. (1965 ) Postgraduate Medicine
38 , 620 .
12.
Walker
N
. (1922 ) An Introduction to Dermatology , 7th edn . Green , Edinburgh ; p 122 .
