Abstract

References
1.
Davis
M J
Lorincz
A L
. (1957 ) J. invest. Derm.
28 , 283
2.
Duperrat
B
. (1959 ) Précis de Dermatologie . Paris; p 206
3.
Mosto
S J
. (1958 ) Arch, argent. Derm.
8 , 119
4.
Senear
F E
. (1950 ) Arch. Derm., Chicago
61 , 702
5.
Woods
B
. (1962 ) Brit. J. Derm.
74 , 196
