Abstract

References
1.
Finlay
H V
Bound
J P
. (1952 ) Archives of Disease in Childhood
27 , 434 .
2.
Petit
H
. (1880 ) Progress in Medicine (Paris)
8 , 524 .
3.
Reed
W B
Herwick
R P
Harville
D
Porter
P S
Conant
M
. (1972 ) Archives of Dermatology
105 , 394 .
4.
Wells
R S
Kerr
C B
. (1966 ) British Medical Journal
i , 947 .
