Abstract

References
1.
Borrie
J. F.
(1950 ) see Brit. J. Derm. , 62 (in press).
2.
Lever
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Lane
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Downing
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Spangler
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(1948 ) Arch. Derm. Syph. Chicago , 58 , 430 .
3.
Wigley
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(1945 ) Brit. J. Derm. , 57 , 68 .
