Abstract
References
1.
Bosse
K
(1965 ) In: Comparative Physiology and Pathology of the Skin . Ed.
Rook
A J
Walton
G S
. Oxford; p 151
2.
Ebling
F J
Johnson
E
(1961 ) J. Embryol. exp. Morphol.
9 , 285
3.
Rook
A J
(1965 ) Brit. med. J.
i , 609