Abstract

References
1.
Gammel
J. A.
(1952 ) Arch. Derm. Syph., Chicago , 66 , 494 .
2.
Braun-Falco
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(1957 ) Derm. Wschr. , 136 , 1289 .
3.
Pinkus
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(1957 ) Arch. Derm. Syph., Chicago , 76 , 419 .
