Abstract

References
1.
Epstein
N M
Epstein
W L
Epstein
J H
. (1963 ) Arch. Derm., Chicago
87 , 450 .
2.
McKenzie
A W
. (1962 ) Arch. Derm., Chicago
86 , 611 .
3.
Meara
R H
. (1964 ) Brit. J. Derm.
76 , 481 .
4.
Schetman
D
Hambrick
G
Wilson
C E
. (1963 ) Arch. Derm., Chicago
88 , 820 .
